Question

What is the purpose of import declarations and explain the purpose of the Java API. Also, what class needs to be declared to obtain user input during runtime? Give Examples.

Please give me an easy example. This is a beginning class.

Answer 1

Import declarations are used for the purpose of using other predefined classes inside our project.

This includes various methods in it that can help us in completing our project with a good reliability and performance.

java API

It is abbreviated as application programming interface.

This is also have a list of classes that are the part of the java development kit.

It helps the programmer with excellent functionality.

User input from run time:

I prefer using the scanner class by importing it.

For example:

Code for copy:

import java.util.Scanner;

public class Main

{

public static void main(String[] args) {

Scanner in = new Scanner(System.in);

String s = in.nextLine();

System.out.println("You have entered somethning like in the run time "+s);

}

}

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