A Java Program to convert binary to octal number

import java.util.*;
public class Main
{
public static int binary_to_octal( int binary)
{
int octal = 0, decimal = 0, i = 0;

while(binary != 0)
{
decimal += (binary%10) * Math.pow(2,i);
++i;
binary/=10;
}

i = 1;

while (decimal != 0)
{
octal += (decimal % 8) * i;
decimal /= 8;
i *= 10;
}

return octal;
}

public static void main(String[] args)
{
Scanner sc = new Scanner(System.in);
System.out.print(“Enter the binary number : “);
int binary = sc.nextInt();
System.out.print(“\nEquivalent octal number : ” + binary_to_octal(binary));
}
}