Integer.rotateLeft() Method in Java

The Integer.rotateLeft() method returns the value obtained by rotating the binary complement binary representation of the specified integer value i to the left by the specified number of bits. The following is the syntax.

int rotateLeft(int i, int distance)

This is the parameter.

• i-This is the int value.

• distance-This is the rotation distance.

Example

public class Demo {
　　　public static void main(String[] args) {
　　　　　　int val =　1;
　　　　　　for (int i = 0; i <　4; i++) {
　　　　　　　　　val = Integer.rotateLeft(val,　1);
　　　　　　　　　System.out.println(val);
　　　　　　}
　　　}
}

Output Result

2
4
8
16