吴静怡修改结果

src/computer/com.java

@@ -18,7 +18,6 @@ class JS extends JFrame implements ActionListener {
     Double sum;
     String lastOperator = "=";
     public JS() {
-
         setBounds(100, 100, 400, 400);
         setTitle("计算器");
         JMenuBar menubar = new JMenuBar();