开始学gui

test/GUItest/.vscode/settings.json

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+{
+    "java.project.sourcePaths": ["src"],
+    "java.project.outputPath": "bin",
+    "java.project.referencedLibraries": [
+        "lib/**/*.jar"
+    ]
+}

test/GUItest/README.md

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+## Getting Started
+
+Welcome to the VS Code Java world. Here is a guideline to help you get started to write Java code in Visual Studio Code.
+
+## Folder Structure
+
+The workspace contains two folders by default, where:
+
+- `src`: the folder to maintain sources
+- `lib`: the folder to maintain dependencies
+
+Meanwhile, the compiled output files will be generated in the `bin` folder by default.
+
+> If you want to customize the folder structure, open `.vscode/settings.json` and update the related settings there.
+
+## Dependency Management
+
+The `JAVA PROJECTS` view allows you to manage your dependencies. More details can be found [here](https://github.com/microsoft/vscode-java-dependency#manage-dependencies).

test/GUItest/src/frameTest/Main.java

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+package frameTest;
+
+import java.awt.*;
+
+public class Main {
+    public static void main(String[] args) {
+        // How to create a frame
+        // R stands for required
+        // 1.Create a Frame object R
+        Frame frame = new Frame("My first java gui frame");
+        // 2.set frame's visibility to true R
+        frame.setVisible(true);
+        // 3.set frame's width and height R
+        frame.setSize(680, 400);
+        // 4.set frame's background color
+        // 4-1.it need Color class
+        Color frameColor = new Color(0X39, 0XC5, 0XBB);
+        frame.setBackground(frameColor);
+        // 5.set frame's initial position
+        frame.setLocation(200, 200);
+        // 6.set frame can't be resized
+        frame.setResizable(false);
+    }
+
+}

test/GUItest/src/mutiFrame/Main.java

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+package mutiFrame;
+
+public class Main {
+    //send to your homie to break your friendship lol
+    public static void main(String[] args) {
+        for (int i = 0; i < 114514; i++) {
+            new myFrame(String.valueOf(i));
+        }
+    }
+}

test/GUItest/src/mutiFrame/myFrame.java

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+package mutiFrame;
+
+import java.awt.*;
+
+public class myFrame extends Frame {
+    public myFrame(String title) {
+        super(title);
+        super.setVisible(true);
+        super.setBackground(new Color(0X39, 0XC5, 0XBB));
+        super.setSize(600, 400);
+        super.setResizable(false);
+    }
+}