Binary to Decimal Conversion program

devwithsumit · devwithsumit · commit 881697d20f75 · 2025-01-12T19:03:01.000+05:30
diff --git a/src/BitwiseOperators/BinaryToDecimal.java b/src/BitwiseOperators/BinaryToDecimal.java
@@ -0,0 +1,18 @@
+package BitwiseOperators;
+
+public class BinaryToDecimal {
+    public static void main(String[] args) {
+        /* Java In-built method */
+//        String binary = "1010";
+//        System.out.println(Integer.parseInt(binary, 2));
+        int n = 101001, pos = 0;
+        System.out.println(Integer.parseInt(Integer.toString(n), 2));
+        int decimal = 0;
+        while (n > 0){
+            // decimal = lastDigit * 2 ^ position;
+            decimal += n % 10 * (int) Math.pow(2, pos++);
+            n /= 10;
+        }
+        System.out.println(decimal); //10
+    }
+}
