Merge pull request #8 from formidablae/1-what-are-classes-objects-and-methods/1.3-a-basic-calculator-project

Did 1 What are Classes Objects and Methods / 13 A Basic Calculator Project

Author: formidablae

1_What_are_Classes_Objects_and_Methods/1.3_A_Basic_Calculator_Project/Calculator.java

@@ -0,0 +1,53 @@
+class Calculator {
+  public Calculator() {
+    
+  }
+    // Simple arithmetic calculator.
+  public int add(int a, int b) {
+    int sum;
+    sum = a + b;
+    return sum;
+  }
+  
+  public int subtract(int c, int d) {
+    int diff;
+    diff = c - d;
+    return diff;
+  }
+  
+  public int multiply(int e, int f) {
+    int prod;
+    prod = e * f;
+    return prod;
+  }
+  
+  public int divide(int g, int h) {
+    int resu;
+    if(h == 0) {
+      System.out.println("Error! Dividing by zero is not allowed.");
+      return 0;
+    }
+    else {
+      resu = g / h;
+    }
+    return resu;
+  }
+  
+  public int modulo(int i, int j) {
+    int modu;
+    if(j == 0) {
+      System.out.println("Error! Dividing by zero is not allowed.");
+      return 0;
+    }
+    else {
+      modu = i % j;
+      return modu;
+    }
+  }
+  
+  public static void main(String[] args) {
+    Calculator myCalculator = new Calculator();
+    System.out.println(myCalculator.add(5, 7));
+    System.out.println(myCalculator.subtract(45, 11));
+  }
+}