Java Convert Decimal to Octal

public class DecimalToOctalExample1{  
public static void main(String args[]){  
//Using the predefined Integer.toOctalString() method  
//to convert decimal value into octal  
System.out.println(Integer.toOctalString(8));  
System.out.println(Integer.toOctalString(19));  
System.out.println(Integer.toOctalString(81));  
}}  

Output:

10
23
121