Difference between int x= 10 and y=010 in Java.

Logically there is no difference between 10 and 010 in numbers. But in java, there is a difference of presentation and actual values of these numbers.

Int x = 10;

System.out.println(x);                      // Output: 10

Int y = 010;

System.out.println(y);                      // Output: 8

Exactly when we print 010 it actually prints 8 which is Octal value of digit 010.

You must learn about Octal base(8) number system before starting the code review.

Code Example:

 * @author ashok.kumar
public class Test1 {

	 * @param args
	public static void main(String[] args) {
		int i=1;
		System.out.println("Numeric:" + i);
		int j=01;
		System.out.println("Numeric:" + j);
		int k=00;
		System.out.println("Numeric:" + k);
		int l=10;
		System.out.println("Numeric:" + l);
		int m=010;
		System.out.println("Octal value:" + m);
		int n=0100;
		System.out.println("Octal value:" + n);
                int o=0110;
		System.out.println("Octal value:" + o);
		int mn=1110;
		System.out.println("Numeric:" + mn);
		int jk=0112;
		System.out.println("Octal value: "+jk);
		int temp=0111;
		System.out.format("Display in Octal format: %04o",temp);	

Octal value:8
Octal value:64
Octal value:72
Octal value: 74
Display in Octal format: 0111

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