BinarytoDecimal

public class BinarytoDecimal {

public static void main(String[] args) {

int binary=111;
int decimal=0;
int power=0;

while(binary>0)
{  
int tmp=binary%10;
decimal=(int) (decimal+tmp*Math.pow(2, power));
binary=binary/10;
power++;
     
}
System.out.println(decimal);
}
}