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class Employee {
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int id;
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}
}
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String language;
public Programmer(String name, int id, String language) {
super(name, id);
this.language = language;
}
}
```
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2. A basic "Hello World" example demonstrating creating an action class and mapping it in struts.xml.
3. The Action interface and ActionSupport class which provides common functionality like validation. ActionSupport implements interfaces like Validateable.
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8. Avoiding scriptlets and using expression language (EL) and JSTL tags
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```java
class Employee {
String name;
int id;
public Employee(String name, int id) {
this.name = name;
this.id = id;
}
}
class Programmer extends Employee {
String language;
public Programmer(String name, int id, String language) {
super(name, id);
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}
}
```
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1. The architecture of Struts 2 which uses patterns like front controller and composite.
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3. The Action interface and ActionSupport class which provides common functionality like validation. ActionSupport implements interfaces like Validateable.
4. Aware interfaces like SessionAware which allow injecting objects like the session into actions.
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53 Rajeev Gupta
Session-2
Inheritance
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InstanceOf operator
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Packages
Abstract class
Interface
54 Rajeev Gupta
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Structure
1. *Brain*: The insect brain is a complex structure that processes sensory information, controls behavior, and integrates information.
2. *Ventral nerve cord*: A chain of ganglia (nerve clusters) that runs along the insect's body, controlling movement and sensory processing.
3. *Peripheral nervous system*: Nerves that connect the central nervous system to sensory organs and muscles.
Functions
1. *Sensory processing*: Insects can detect and respond to various stimuli, such as light, sound, touch, taste, and smell.
2. *Motor control*: The nervous system controls movement, including walking, flying, and feeding.
3. *Behavioral responses*: Insects can exhibit complex behaviors, such as mating, foraging, and social interactions.
Characteristics
1. *Decentralized*: Insect nervous systems have some autonomy in different body parts.
2. *Specialized*: Different parts of the nervous system are specialized for specific functions.
3. *Efficient*: Insect nervous systems are highly efficient, allowing for rapid processing and response to stimuli.
The insect nervous system is a remarkable example of evolutionary adaptation, enabling insects to thrive in diverse environments.
The insect nervous system is a remarkable example of evolutionary adaptation, enabling insects to thrive
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