Integer: numberOfLeadingZeros(int i)

 
import java.io.IOException;

public class MainClass {
  public static void main(String args[]) throws IOException {
    int n = 170; // 10101010

    System.out.println("Value in binary: 10101010");

    System.out.println("Number of one bits: " + Integer.bitCount(n));

    System.out.println("Highest one bit: " + Integer.highestOneBit(n));

    System.out.println("Lowest one bit: " + Integer.lowestOneBit(n));

    System.out.println("Number of leading zeros : " + Integer.numberOfLeadingZeros(n));

    System.out.println("Number of trailing zeros : " + Integer.numberOfTrailingZeros(n));

    System.out.println("\nBeginning with the value 1, " + "rotate left 16 times.");
    n = 1;
    for (int i = 0; i < 16; i++) {
      n = Integer.rotateLeft(n, 1);
      System.out.println(n);
    }

  }
}

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Integer: numberOfLeadingZeros(int i) : Integer « java.lang « Java by API

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