Python set
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A set is an unordered collection of unique and immutable elements that can be of different types. Sets can contain elements of different types but not mutable elements like lists. We can perform operations like union, intersection, symmetric difference on sets. Sets are mutable, meaning we can add or remove elements, but cannot access elements by index since sets are unordered.
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library features should be identical with your own version (My API). However, the underlying
implementation should follow with the descriptions listed below.
Instructions : Create the following Linked List Data Structure with the given description below in
your utils package and use "for loops" for your repetitive tasks.
Where to find starter code in my-api
package.class : utils.LinkedList
package.class : tests.console.week04.LinkedListTest
Where to find your JUNIT test in my-api
package.class : tests.junit.LinkedListJUnitTest
Nested Class that has to be added to LinkedList class
package.class : utils.LinkedList.Node
Task Check List
ONLY "for" loops should be used within the data structure class. There is an automatic 30%
deduction, if other loops are used.
The names of identifiers MUST match the names listed in the description below. Deductions
otherwise.
Complete coding Assignment in your "my-api" GitHub Repository. You will not be graded
otherwise and will receive a 0, if not uploaded there.
Run JUNIT TEST and take a SNAPSHOT of results. Upload PDF of snapshot of your JUnitTest
results to Canvas.
Description
The internal structure of the Linked List is a doubly linked Node data structure and should have
at a minimum the following specifications:
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the variable size and the start of the list with the reference variable data.
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constructors: The overloaded constructors will initialize the data fields size and data.
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zero equivalent, that is, constructs an empty list.
methods: methods that manages the behavior of the linked nodes.
Together, the methods below give the illusion of a index or countable location. Implement these
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Method
Description
Header
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private void checkIndex(int index)
public boolean contains(E item)
public void clear()
private E detach(int index)
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public boolean isEmpty()
private Node<E> node(int index)
public E remove(int index)
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Objective: The purpose of this exercise is to create a Linked List data structure that mimics the
behavior of the Java Standard Library Version (Java API). The outcomes/results of using the
library features should be identical with your own version (My API). However, the underlying
implementation should follow with the descriptions listed below.
Instructions : Create the following Linked List Data Structure with the given description below in
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Where to find starter code in my-api
package.class : utils.LinkedList
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Where to find your JUNIT test in my-api
package.class : tests.junit.LinkedListJUnitTest
Nested Class that has to be added to LinkedList class
package.class : utils.LinkedList.Node
Task Check List
ONLY "for" loops should be used within the data structure class. There is an automatic 30%
deduction, if other loops are used.
The names of identifiers MUST match the names listed in the description below. Deductions
otherwise.
Complete coding Assignment in your "my-api" GitHub Repository. You will not be graded
otherwise and will receive a 0, if not uploaded there.
Run JUNIT TEST and take a SNAPSHOT of results. Upload PDF of snapshot of your JUnitTest
results to Canvas.
Description
The internal structure of the Linked List is a doubly linked Node data structure and should have
at a minimum the following specifications:
data fields: The data fields to declare are private and you will keep track of the size of the list with
the variable size and the start of the list with the reference variable data.
first is a reference variable for the first Node<E> in the list.
last is a reference variable for the last Node<E> in the list.
size keeps track of the number of nodes in the list of type int. This will allow you to know the
current size of the list without having to traversing the list.
constructors: The overloaded constructors will initialize the data fields size and data.
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zero equivalent, that is, constructs an empty list.
methods: methods that manages the behavior of the linked nodes.
Together, the methods below give the illusion of a index or countable location. Implement these
methods within your generic Linked List class.
Method
Description
Header
public boolean add(E item)
public void add(int index, E item)
public void append( E item)
private void checkIndex(int index)
public boolean contains(E item)
public void clear()
private E detach(int index)
public E get(int index)
public int indexOf(E item)
private void insertBefore(int index, E item)
public boolean isEmpty()
private Node<E> node(int index)
public E remove(int index)
public boolean remove(E item)
public E set(int index, E item)
public int size()
public String toString()
Node Data Structure
The generic Linked List class includes a static Node class as a ne.
Objective The purpose of this exercise is to create a Linke.pdf
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behavior of the Java Standard Library Version (Java API). The outcomes/results of using the
library features should be identical with your own version (My API). However, the underlying
implementation should follow with the descriptions listed below.
Instructions : Create the following Linked List Data Structure with the given description below in
your utils package and use "for loops" for your repetitive tasks.
Where to find starter code in my-api
package.class : utils.LinkedList
package.class : tests.console.week04.LinkedListTest
Where to find your JUNIT test in my-api
package.class : tests.junit.LinkedListJUnitTest
Nested Class that has to be added to LinkedList class
package.class : utils.LinkedList.Node
Task Check List
ONLY "for" loops should be used within the data structure class. There is an automatic 30%
deduction, if other loops are used.
The names of identifiers MUST match the names listed in the description below. Deductions
otherwise.
Complete coding Assignment in your "my-api" GitHub Repository. You will not be graded
otherwise and will receive a 0, if not uploaded there.
Run JUNIT TEST and take a SNAPSHOT of results. Upload PDF of snapshot of your JUnitTest
results to Canvas.
Description
The internal structure of the Linked List is a doubly linked Node data structure and should have
at a minimum the following specifications:
data fields: The data fields to declare are private and you will keep track of the size of the list with
the variable size and the start of the list with the reference variable data.
first is a reference variable for the first Node<E> in the list.
last is a reference variable for the last Node<E> in the list.
size keeps track of the number of nodes in the list of type int. This will allow you to know the
current size of the list without having to traversing the list.
constructors: The overloaded constructors will initialize the data fields size and data.
A constructor that is a default constructor initializes the starting node location first and size to a
zero equivalent, that is, constructs an empty list.
methods: methods that manages the behavior of the linked nodes.
Together, the methods below give the illusion of a index or countable location. Implement these
methods within your generic Linked List class.
Method
Description
Header
public boolean add(E item)
public void add(int index, E item)
public void append( E item)
private void checkIndex(int index)
public boolean contains(E item)
public void clear()
private E detach(int index)
public E get(int index)
public int indexOf(E item)
private void insertBefore(int index, E item)
public boolean isEmpty()
private Node<E> node(int index)
public E remove(int index)
public boolean remove(E item)
public E set(int index, E item)
public int size()
public String toString()
Node Data Structure
The generic Linked List class includes a static Node class as a nested class, .
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behavior of the Java Standard Library Version (Java API). The outcomes/results of using the
library features should be identical with your own version (My API). However, the underlying
implementation should follow with the descriptions listed below.
Instructions : Create the following Linked List Data Structure with the given description below in
your utils package and use "for loops" for your repetitive tasks.
Where to find starter code in my-api
package.class : utils.LinkedList
package.class : tests.console.week04.LinkedListTest
Where to find your JUNIT test in my-api
package.class : tests.junit.LinkedListJUnitTest
Nested Class that has to be added to LinkedList class
package.class : utils.LinkedList.Node
Task Check List
ONLY "for" loops should be used within the data structure class. There is an automatic 30%
deduction, if other loops are used.
The names of identifiers MUST match the names listed in the description below. Deductions
otherwise.
Complete coding Assignment in your "my-api" GitHub Repository. You will not be graded
otherwise and will receive a 0, if not uploaded there.
Run JUNIT TEST and take a SNAPSHOT of results. Upload PDF of snapshot of your JUnitTest
results to Canvas.
Description
The internal structure of the Linked List is a doubly linked Node data structure and should have
at a minimum the following specifications:
data fields: The data fields to declare are private and you will keep track of the size of the list with
the variable size and the start of the list with the reference variable data.
first is a reference variable for the first Node<E> in the list.
last is a reference variable for the last Node<E> in the list.
size keeps track of the number of nodes in the list of type int. This will allow you to know the
current size of the list without having to traversing the list.
constructors: The overloaded constructors will initialize the data fields size and data.
A constructor that is a default constructor initializes the starting node location first and size to a
zero equivalent, that is, constructs an empty list.
methods: methods that manages the behavior of the linked nodes.
Together, the methods below give the illusion of a index or countable location. Implement these
methods within your generic Linked List class.
Method
Description
Header
public boolean add(E item)
public void add(int index, E item)
public void append( E item)
private void checkIndex(int index)
public boolean contains(E item)
public void clear()
private E detach(int index)
public E get(int index)
public int indexOf(E item)
private void insertBefore(int index, E item)
public boolean isEmpty()
private Node<E> node(int index)
public E remove(int index)
public boolean remove(E item)
public E set(int index, E item)
public int size()
public String toString()
Node Data Structure
The generic Linked List class includes a static Node class as a nested class, .
Implementation The starter code includes List.java. You should not c.pdf
Implementation The starter code includes List.java. You should not c.pdfmaheshkumar12354 Implementation The starter code includes List.java. You should not change anything in List.java.
Your task will be to create LinkedList.java, make LinkedList use generics and inherit from List,
and complete several methods in LinkedList.java. Create LinkedList.java in IntelliJ. Add a main
method to LinkedList.java containing the following code. Your program will not compile again.
public static void main(String[] args) { LinkedList list = new LinkedList();
System.out.println(list.getHead()); System.out.println(list.getTail()); list.add("first");
list.add("middle"); list.add("last"); System.out.println(list.getHead().value);
System.out.println(list.getTail().value); System.out.println(list); } The first issue is that your
LinkedList class does not have a way of specifying what type of data it should store. You can fix
this using Java Generics. Change the first line of your class to the following: LinkedList .
Confirm that the first line in your main method no longer has an error. On the line that declares
the LinkedList class, add extends List before the bracket that begins the class. The first line in
your class will now have a compile error because LinkedList does not implement the methods
required by the List abstract class. Press Ctrl-i to have IntelliJ insert stubs of these methods.
Ensure that Copy JavaDoc is selected so you get JavaDoc comments which describe the method
requirements, then click OK. Your code should now compile again. Next add fields for the head
and tail. These will be of type Node. Create a getHead method which returns your head field, and
a getTail method which returns your tail field. Run your main method now and you will see that
there is a NullPointerException because the add method does not actually add anything to the
list, so head and tail will always be null. Complete the method boolean add(T value) for which
IntelliJ gave you a stub. You need to create a new node with value to add at the end of the list.
This means you will need to connect it to the old tail and update tail to point to the node you
created. Make sure that you handle the case where the list is empty and both head and tail should
be set to the new node you've created. Note: For the full Map I assignment, add will need to
prevent duplicate values being added to the list and should return true or false based on whether
the value was added or not. For this lab, you can ignore this requirement and simply return true.
Add a toString method to your LinkedList class. It should start at the head of your list and
proceed through all the nodes in a loop, combining the values of each node with a comma
between each and square brackets containing the whole thing. When you run your main method,
the final thing printed should be: [first, middle, last] List.java: /** * Specification for a List
ADT. * @author Shubham Chatterjee * @version 03/07/2019 * @param Type */ public abstract
class List { /** * Appends the specified value to the end of this list. * * @para.
Please and Thank youObjective The purpose of this exercise is to .pdf
Please and Thank youObjective The purpose of this exercise is to .pdfalicesilverblr Please and Thank you
Objective: The purpose of this exercise is to create a Linked List data structure that mimics the
behavior of the Java Standard Library Version (Java API). The outcomes/results of using the
library features should be identical with your own version (My API). However, the underlying
implementation should follow with the descriptions listed below.
Instructions : Create the following Linked List Data Structure with the given description below
in your utils package and use "for loops" for your repetitive tasks.
Where to find starter code in my-api
package.class : utils.LinkedList
package.class : tests.console.week04.LinkedListTest
Where to find your JUNIT test in my-api
package.class : tests.junit.LinkedListJUnitTest
Nested Class that has to be added to LinkedList class
package.class : utils.LinkedList.Node
Task Check List
ONLY "for" loops should be used within the data structure class. There is an automatic 30%
deduction, if other loops are used.
The names of identifiers MUST match the names listed in the description below. Deductions
otherwise.
Complete coding Assignment in your "my-api" GitHub Repository. You will not be graded
otherwise and will receive a 0, if not uploaded there.
Run JUNIT TEST and take a SNAPSHOT of results. Upload PDF of snapshot of your JUnitTest
results to Canvas.
Description
The internal structure of the Linked List is a doubly linked Node data structure and should have
at a minimum the following specifications:
data fields: The data fields to declare are private and you will keep track of the size of the list
with the variable size and the start of the list with the reference variable data.
first is a reference variable for the first Node in the list.
last is a reference variable for the last Node in the list.
size keeps track of the number of nodes in the list of type int. This will allow you to know the
current size of the list without having to traversing the list.
constructors: The overloaded constructors will initialize the data fields size and data.
A constructor that is a default constructor initializes the starting node location first and size to a
zero equivalent, that is, constructs an empty list.
methods: methods that manages the behavior of the linked nodes.
Together, the methods below give the illusion of a index or countable location. Implement these
methods within your generic Linked List class.
Method
Description
Header
public boolean add(E item)
public void add(int index, E item)
public void append( E item)
private void checkIndex(int index)
public boolean contains(E item)
public void clear()
private E detach(int index)
public E get(int index)
public int indexOf(E item)
private void insertBefore(int index, E item)
public boolean isEmpty()
private Node node(int index)
public E remove(int index)
public boolean remove(E item)
public E set(int index, E item)
public int size()
public String toString()
Node Data Structure
The generic Linked List class includes a static Node class as a ne.
Objective The purpose of this exercise is to create a Linked List d.pdf
Objective The purpose of this exercise is to create a Linked List d.pdfaliracreations Objective: The purpose of this exercise is to create a Linked List data structure that mimics the
behavior of the Java Standard Library Version (Java API). The outcomes/results of using the
library features should be identical with your own version (My API). However, the underlying
implementation should follow with the descriptions listed below.
Instructions : Create the following Linked List Data Structure with the given description below
in your utils package and use "for loops" for your repetitive tasks.
Where to find starter code in my-api
package.class : utils.LinkedList
package.class : tests.console.week04.LinkedListTest
Where to find your JUNIT test in my-api
package.class : tests.junit.LinkedListJUnitTest
Nested Class that has to be added to LinkedList class
package.class : utils.LinkedList.Node
Task Check List
ONLY "for" loops should be used within the data structure class. There is an automatic 30%
deduction, if other loops are used.
The names of identifiers MUST match the names listed in the description below. Deductions
otherwise.
Complete coding Assignment in your "my-api" GitHub Repository. You will not be graded
otherwise and will receive a 0, if not uploaded there.
Run JUNIT TEST and take a SNAPSHOT of results. Upload PDF of snapshot of your JUnitTest
results to Canvas.
Description
The internal structure of the Linked List is a doubly linked Node data structure and should have
at a minimum the following specifications:
data fields: The data fields to declare are private and you will keep track of the size of the list
with the variable size and the start of the list with the reference variable data.
first is a reference variable for the first Node in the list.
last is a reference variable for the last Node in the list.
size keeps track of the number of nodes in the list of type int. This will allow you to know the
current size of the list without having to traversing the list.
constructors: The overloaded constructors will initialize the data fields size and data.
A constructor that is a default constructor initializes the starting node location first and size to a
zero equivalent, that is, constructs an empty list.
methods: methods that manages the behavior of the linked nodes.
Together, the methods below give the illusion of a index or countable location. Implement these
methods within your generic Linked List class.
Method
Description
Header
public boolean add(E item)
public void add(int index, E item)
public void append( E item)
private void checkIndex(int index)
public boolean contains(E item)
public void clear()
private E detach(int index)
public E get(int index)
public int indexOf(E item)
private void insertBefore(int index, E item)
public boolean isEmpty()
private Node node(int index)
public E remove(int index)
public boolean remove(E item)
public E set(int index, E item)
public int size()
public String toString()
Node Data Structure
The generic Linked List class includes a static Node class as a nested class, i.e. a st.
Linked list (java platform se 8 )
Linked list (java platform se 8 )charan kumar Java collection classes and their usage.how to use java collections in a program and different types of collections. difference between the map list set, volatile keyword.
Java Amend the LinkedList so that 1 Your list classes must.pdf
Java Amend the LinkedList so that 1 Your list classes must.pdfadinathassociates Java
Amend the LinkedList so that:
1. Your list classes must be generic (see below) and be able to work with any Comparable data.
Be sure to genericize any static methods, e.g. printList() would become: public static <AnyType
extends Comparable<? super AnyType>> void printList( YourLinkedList<AnyType> theList )
2. The list is always maintained in ascending order so as each item is added to (or removed from)
the list, it must be put in its proper place in the list just like in Assignment 1. This will be handled by
a new method, add(), that takes in a lone parameter (the data object to be inserted - you do not
pass in an iterator like you do with insert().) Duplicate values are allowed in the list.
3. Change the insert() method to private visibility.
4. Add a method named replace() that takes in two parameters (the data object to replaced,
followed by the one to be inserted) that will remove the first occurrence of the item to be replaced
and add the second parameter to the list. The method returns a boolean - true if the item to be
replaced was found, false if not. If the value to be replaced is not present, do not perform the add.
5. Add an instance method named showList() (no parameters or return value) that will extract all of
the values from the list and display them in order, one per line, followed by another line displaying
how many values are currently in the list. If the list is empty, display the message The list is
currently empty instead.
6. Overload showList() with an integer parameter which represents how many items to display on
each line. The method needs to newline after the last item no matter how many items were
displayed (i.e. dont leave the cursor hanging.)
7. As with Assignment 1, add an instance method named getMode() that functions the same as
the version in Assignment 1. Reuse the same interface but change the package to the one
designated below.
8. Add a method named author() that returns a String consisting of your name.
9. Revise and do not subclass the Weiss classes. Do not make your classes part of any package
other than the one specified below for this assignment. That package should consist only of the
four classes (list, iterator, node, result) used in this assignment..
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- 2. A set is an unordered collection of items. Every element is unique and must be immutable. However, the set itself is mutable.We can add or remove items from it. Sets can be used to perform mathematical set operations like union, intersection, symmetric difference etc.
- 3. A set is created by placing all the elements inside curly braces {}, separated by comma or by using the built-in function set(). The elements can be of different types (integer, float, tuple, string etc.). But a set cannot have a mutable element, like list, set or dictionary, as its element.
- 4. A set can contain elements of different type A set cannot contain lists. We can convert a list to set using set function
- 5. LIST append extend Insert Pop remove TUPLE add Update ----------- ------------ remove discard
- 6. Sets are mutable. But since they are unordered, indexing have no meaning. We cannot access or change an element of set using indexing or slicing. We can add single element using the add() method and multiple elements using the update() method. The update() method can take tuples, lists, strings or other sets as its argument. In all cases, duplicates are avoided.
- 7. A particular item can be removed from set using methods, discard() and remove(). using discard() if the item does not exist in the set, it remains unchanged. But remove() will raise an error in such condition.
- 8. We can test if an item exists in a set or not, using the in operator.
- 9. Given an list of elements, remove the duplicate element.
- 10. Read a string and find the number of unique characters in it.
- 11. Sets can be used to carry out mathematical set operations like union, intersection, difference and symmetric difference. We can do this with operators or methods. Method Operator union | intersection & difference - symmetric_difference ^
- 16. We have seen the applications of union, intersection, difference and symmetric difference operations, but these operations do not make any changes or mutations to the set. We can use the following operations to create mutations to a set: Method Operator update |= Update the set by adding elements from an iterable/another set. intersection_update &= Update the set by keeping only the elements found in it and an iterable/another set. Difference_update -= Update the set by removing elements found in an iterable/another set. symmetric_difference_update ^= Update the set by only keeping the elements found in either set, but not in both.
- 17. Isdisjoint–This method will returnTrue if two set have a null intersection Issubset –This method reports whether another set contains this set Issuperset –This method will report whether this set contains another set