Tag: Java

Java Interview Questions

29 April 2020 / naveen / 0 Comments

Java Program to Find ASCII Value of a character

29 April 2020 / naveen / 0 Comments

For each character we have predefined ASCII numbers:

Find ASCII Value of a character in Java

package JavaQuestions;
/**
*
* @author NaveenKhunteta
*
*/
public class AsciiChar {
public static void main(String[] args) {
char c = ‘a’; // 97
int ascii = c;
int asciiNumber = (int) c;
System.out.println(“ASCII value of “ + c + “:”+ ascii);
System.out.println(“ASCII value of “ + c + “:”+ asciiNumber);

}

Output is:

ASCII value of a:97

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