"Calculator"

src/Test.java

@@ -53,7 +53,6 @@ public class Test implements WindowListener, ActionListener {
         bDot = new Button(".");
         bEqual = new Button("=");
 
-        // Add listeners to buttons
         b1.addActionListener(this);
         b2.addActionListener(this);
         b3.addActionListener(this);
@@ -71,7 +70,6 @@ public class Test implements WindowListener, ActionListener {
         bDiv.addActionListener(this);
         bEqual.addActionListener(this);
 
-        // Add buttons to panel
         p2.add(b7);
         p2.add(b8);
         p2.add(b9);
@@ -125,7 +123,7 @@ public class Test implements WindowListener, ActionListener {
     public void actionPerformed(ActionEvent e) {
         String cmd = e.getActionCommand();
 
-        // If a number or decimal is pressed
+
         if (cmd.equals("0") || cmd.equals("1") || cmd.equals("2") || cmd.equals("3") ||
                 cmd.equals("4") || cmd.equals("5") || cmd.equals("6") || cmd.equals("7") ||
                 cmd.equals("8") || cmd.equals("9") || cmd.equals(".")) {
@@ -138,7 +136,7 @@ public class Test implements WindowListener, ActionListener {
             operator = cmd;
             numStr = "";
         }
-        // If equal sign is pressed
+
         else if (cmd.equals("=")) {
             operand2 = numStr;
             num1 = Double.parseDouble(operand1);