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AI Agents: What They Are and How They Will Change Work

Artificial intelligence has moved beyond simply answering questions and generating text. A new generation of AI systems—known as AI agents—is emerging with the ability to plan tasks, use tools, make decisions, and complete multi-step workflows with less human intervention. From managing emails and analyzing data to writing software and assisting customers, AI agents could significantly change how people work. What Are AI Agents? An AI agent is a software system that can perceive information, reason about a goal, take actions, and adapt based on the results. Traditional AI tools usually respond to a specific instruction. For example, you might ask an AI chatbot to summarize a document, and it provides a summary. An AI agent can go further. You could give an agent a goal such as: "Research three competitors, compare their pricing, summarize their main features, and prepare a report." The agent may then: 1) Understand the objective. 2) Break the task into smaller steps. 3) Searc...

Java important Question - 5

Q) What are wrapper classes? Why do we need wrapper classes ?
Answer :
          Wrapper class provides the mechanism to convert primitive into object and object into primitive. In the java.lang package java provides a separate class for each of the primitive data types namely Boolean, Byte, Short, Integer, Float, Long, Double & Character. These are known as wrapper classes because they wrap the primitive data type into an object of the class.

Need of wrapper classes :
* They convert primitive data types into objects. Objects are needed if we wish to modify the arguments passed into a method.
* The classes in java.util package handles only objects and hence wrapper classes help in this case also.
* Data structures in the collection framework, such as ArrayList and vector, store only objects and not primitive types.
* An object is needed to support synchronization in multithreading.


Q) What is an interface ?
Answer :
          An interface is a reference type in Java. It is similar to class. It is a blueprint of a class. Interfaces specify what a class must do not how.
          An interface can have methods and variables like the class but the methods declared in interface are by default abstract. The class that implements interface must implement all the methods of that interface. Also, the variables declared in an interface are public, static and final by default.
          The interface keyword is used to declare an interface. Following is an example of an interface.

/* File name : NameOfInterface.java */
import java.lang.*;
// Any number of import statement
 
public interface NameOfInterface {
// Any number of final, static fields
// Any number of abstract method declarations
}

Q) What is an abstract class ?
Answer :
          Abstract classes are used in java to create a class with some default method implementation for subclasses. An abstract class can have abstract method without body and it can have methods with implementation also.
          abstract keyword is used to create a abstract class. Abstract classes can't be instantiated are mostly used to provide base for subclasses to extend and implement the abstract methods and override or use the implemented methods in abstract class.
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