wjq提交

.idea/misc.xml

@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />

src/Computer.java

@@ -11,7 +11,6 @@ public class Computer extends JFrame{
     public static void main(String[] args) {
         Computer t = new Computer();
     }
-
     public Computer() {
         this.setTitle("计算器");
         Container c = getContentPane();
@@ -38,7 +37,6 @@ public class Computer extends JFrame{
         aJButtons[13]=new JButton("/");
         aJButtons[14]=new JButton("=");
         aJButtons[15]=new JButton(".");
-
         aj.add(aJButtons[7]);
         aj.add(aJButtons[8]);
         aj.add(aJButtons[9]);
@@ -58,7 +56,6 @@ public class Computer extends JFrame{
         c.add(aj, BorderLayout.CENTER);
         setSize(400, 400);
         setVisible(true);
-
         for(int i = 0; i < 10; i++) {
             final String o = aJButtons[i].getActionCommand();
             aJButtons[i].addActionListener(new ActionListener() {
@@ -118,22 +115,18 @@ public class Computer extends JFrame{
                 }
 
                 else if(flag == 1) {
-//加法
                     b = Double.parseDouble(sz[0]) + Double.parseDouble(sz[1]);
                 }
 
                 else if(flag == 2) {
-//减法
                     b = Double.parseDouble(sz[0]) - Double.parseDouble(sz[1]);
                 }
 
                 else if(flag == 3) {
-//乘法
                     b = Double.parseDouble(sz[0]) * Double.parseDouble(sz[1]);
                 }
 
                 else if(flag == 4) {
-//除法
                     b = Double.parseDouble(sz[0]) / Double.parseDouble(sz[1]);
                 }