Binary

import java.util.*; public class Binary { // instance variables - replace the example below with your own public Binary() { // initialise instance variables Scanner scan = new Scanner(System.in); System.out.println("Input your binary code with no spaces"); String code = scan.next(); int arr[] = new int[code.length()]; int c = 0; for (int i = 1; i <= code.length(); i++){ String part = code.substring(c,i); int p = Integer.parseInt(part); arr[c] = p; c++; } //int[] arr = {0, 1, 0, 1, 1, 1, 1, 1}; System.out.println(calc(arr)); } public int calc(int[] x){ int x2 = 0; int b = 1; for(int i = x.length - 1; i > 0; i--){ if (x[i] == 1){ x2 = x2 + b; } b = b * 2; } return x2; } }