Added divide function and unit tests

Operations.ctxt

@@ -0,0 +1,14 @@
+#BlueJ class context
+comment0.target=Operations
+comment1.params=x\ y
+comment1.target=int\ add(int,\ int)
+comment1.text=\n\ The\ addition\ function.\n\ @param\ x\ The\ first\ operand\n\ @param\ y\ The\ second\ operand\n\ @return\ the\ sum\ of\ x\ and\ y\n
+comment2.params=x\ y
+comment2.target=int\ subtract(int,\ int)
+comment2.text=\n\ The\ subtraction\ function\n\ @param\ x\ The\ first\ operand\n\ @param\ y\ The\ second\ operand\n\ @return\ y\ taken\ from\ x\n
+comment3.params=x\ y
+comment3.target=int\ multiply(int,\ int)
+comment3.text=\n\ The\ multiplication\ function\n\ @param\ x\ The\ first\ operand\n\ @param\ y\ The\ second\ operand\n\ @return\ x\ times\ y\n
+comment4.params=x\ y
+comment4.target=int\ divide(int,\ int)
+numComments=5

Operations.java

@@ -30,4 +30,8 @@ public class Operations {
     public static int multiply(int x, int y) {
         return x * y;
     }
+    
+    public static int divide(int x, int y){
+        return x / y;
+    }
 }

OperationsTest.ctxt

@@ -0,0 +1,11 @@
+#BlueJ class context
+comment0.target=OperationsTest
+comment1.params=
+comment1.target=void\ testAdd()
+comment2.params=
+comment2.target=void\ testSubtract()
+comment3.params=
+comment3.target=void\ testMultiply()
+comment4.params=
+comment4.target=void\ testDivide()
+numComments=5

OperationsTest.java

@@ -16,4 +16,9 @@ public class OperationsTest {
     public void testMultiply() throws Exception {
         Assert.assertEquals(4, Operations.multiply(2, 2));
     }
+    
+    @Test
+    public void testDivide() throws Exception {
+        Assert.assertEquals(2, Operations.divide(4, 2));
+    }
 }

package.bluej

@@ -2,18 +2,18 @@
 dependency1.from=OperationsTest
 dependency1.to=Operations
 dependency1.type=UsesDependency
-editor.fx.0.height=722
+editor.fx.0.height=717
 editor.fx.0.width=800
-editor.fx.0.x=320
-editor.fx.0.y=75
+editor.fx.0.x=240
+editor.fx.0.y=23
 objectbench.height=164
 objectbench.width=776
 package.divider.horizontal=0.6
 package.divider.vertical=0.6845018450184502
 package.editor.height=364
 package.editor.width=674
-package.editor.x=-1455
-package.editor.y=82
+package.editor.x=0
+package.editor.y=73
 package.frame.height=600
 package.frame.width=800
 package.numDependencies=1