Question

How to invert the bits of a number in Java

Answer 1

public class MyClass {
    public static void main(String args[]) {
        int x = 981;

	    System.out.println(String.format("%16s", Integer.toBinaryString(x)).replaceAll(" ", "0"));

	    x = ~x;

	    System.out.println(String.format("%16s", Integer.toBinaryString(x)).replaceAll(" ", "0"));
    }
}




/*
run:
 
0000001111010101
11111111111111111111110000101010
 
*/

 

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