Author: naveen (Page 3 of 3)

Java Program to Add Two Integers

29 April 2020 / naveen / 0 Comments

This is very simple, just define two integer variables and use + operator to add them.

package JavaQuestions;

/**
 * 
 * @author NaveenKhunteta
 *
 */
public class AddNumbers {

	public static void main(String[] args) {

		int a = 10;
		int b = 20;

		int sum = a + b;

		System.out.println("sum of a and b is: " + sum);

	}

}

Output:

sum of a and b is: 30

Java Program to Print an Integer (Entered by the User)

29 April 2020 / naveen / 0 Comments

Print an Integer – entered by user from console/command line

package JavaQuestions;

import java.util.Scanner;

/**
 * 
 * @author NaveenKhunteta
 *
 */
public class PRintImnteger {

	public static void main(String[] args) {

		Scanner reader = new Scanner(System.in);
		System.out.println("plz enter a number: ");

		int num = reader.nextInt();

		System.out.println("you entered: " + num);

	}

}

Scanner class is a default class which is coming from java.util package. It is used to take the user input from the console.

Example:

plz enter a number:

you entered: 10