Calculator with bounce tasks

week01/src/main/java/com/github/javabaz/Calculator.java

@@ -1,25 +1,25 @@
-package com.github.javabaz;
-
-public class Calculator {
-
-    // NOTE : Don't edit this file!;
-    // copy past this file and rename new file with your own code!
-
-
-    public int add(int a, int b) {
-        // todo
-    }
-
-    public int subtract(int a, int b) {
-        // todo
-    }
-
-    public int multiply(int a, int b) {
-        // todo
-    }
-
-    public int divide(int a, int b) {
-        // todo
-    }
-}
-
+//package com.github.javabaz;
+//
+//public class Calculator {
+//
+//    // NOTE : Don't edit this file!;
+//    // copy past this file and rename new file with your own code!
+//
+//
+//    public int add(int a, int b) {
+//        // todo
+//    }
+//
+//    public int subtract(int a, int b) {
+//        // todo
+//    }
+//
+//    public int multiply(int a, int b) {
+//        // todo
+//    }
+//
+//    public int divide(int a, int b) {
+//        // todo
+//    }
+//}
+//

week01/src/main/java/com/github/javabaz/Calculator32.java

@@ -0,0 +1,39 @@
+package com.github.javabaz;
+
+public class Calculator32 {
+
+
+    public int add(int a, int b) {
+        return  a + b;
+    }
+
+    public int subtract(int a, int b) {
+        return a-b;
+    }
+
+    public int multiply(int a, int b) {
+        return  a * b;
+    }
+
+    public int divide(int a, int b)  {
+        if(b !=0){
+        return a / b;
+        }else {
+            throw  new ArithmeticException("Cannot divide by zero");
+        }
+
+    }
+
+    public double power(int a , int b){
+        return Math.pow(a,b);
+    }
+
+    public double mod (int a , int b){
+        return a%b;
+    }
+
+    public double sqrt (int a){
+        return Math.sqrt(a);
+    }
+}
+

week01/src/main/java/com/github/javabaz/Main.java

@@ -6,5 +6,14 @@ public static void main(String[] args) {
                            Hello, world!
                            Welcome to week 1 :D
                            """);
+
+        Calculator32 calc=new Calculator32();
+
+        System.out.println(calc.divide(10,2));
+        System.out.println(calc.multiply(5,3));
+
+        System.out.println(calc.sqrt(20));
+
+
     }
 }

week01/src/test/java/com/github/javabaz/CalculatorTest.java

@@ -8,11 +8,11 @@
 class CalculatorTest {
 
 
-    private Calculator calculator;
+    private Calculator32 calculator;
 
     @BeforeEach
     void setUp() {
-        calculator = new Calculator();
+        calculator = new Calculator32();
     }
 
     @Test