How to Convert a Number to Octal in Java

In this example we will show the method to convert a number to octal in Java.

Source Code

package com.beginner.examples;

public class Num2Octal {
  public static void main(String[] args) {
    int num = 17;
    System.out.println(Integer.toOctalString(num)); // convert a number to octal
  }
}

Output:

21