Question

How to reverse the order of int value bits in Java

Answer 1

public class MyClass {
    public static void main(String args[]) {
        int n = 133;
  
        System.out.println(Integer.toBinaryString(n)); 
        n = Integer.reverse(n); 
        System.out.println(Integer.toBinaryString(n));
        
        
        n = 11;
                
        System.out.println(Integer.toBinaryString(n)); 
        n = Integer.reverse(n); 
        System.out.println(Integer.toBinaryString(n));
    }
}



/*
run:

10000101
10100001000000000000000000000000
1011
11010000000000000000000000000000

*/

 

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