Java convert binary to octal

/**
 * @author lautturi.com
 * Java example: binary to octal conversion program in java
 */

import java.util.*;
import java.time.*;

public class Lautturi {	  

	public static void main(String[] args) {
		String binaryString = "10010";
		int decimal=Integer.parseInt(binaryString,2);
		System.out.println("binary:"+binaryString);
		System.out.println("decimal:"+decimal);
		System.out.println("octal :"+Integer.toOctalString(decimal));
	}
}

output:

binary:10010
decimal:18
octal :22