Swing 예제

Author: ahastudio

20211212/java/.gitignore

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+*.class

20211212/java/.vscode/settings.json

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+{
+    "editor.tabSize": 4,
+    "editor.rulers": [
+        80
+    ],
+    "trailing-spaces.trimOnSave": true,
+    "java.project.referencedLibraries": [
+        "lib/**/*.jar"
+    ]
+}

20211212/java/HelloWorld.java

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+import java.awt.FlowLayout;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JTextField;
+
+public class HelloWorld {
+    public static void main(String[] args) {
+        JFrame frame = new JFrame("My application");
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setSize(400, 200);
+        frame.setLayout(new FlowLayout());
+
+        JLabel label = new JLabel("Hello, world!");
+        frame.add(label);
+
+        JTextField textField = new JTextField(10);
+        frame.add(textField);
+
+        JButton button = new JButton("Update");
+        button.addActionListener(e -> {
+            String name = textField.getText();
+            label.setText("Hello, " + name + "!");
+        });
+        frame.add(button);
+
+        frame.setVisible(true);
+    }
+}

20211212/java/README.md

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+# Swing 예제
+
+- <https://docs.oracle.com/javase/tutorial/uiswing/index.html>
+- <https://docs.oracle.com/javase/tutorial/uiswing/examples/start/HelloWorldSwingProject/src/start/HelloWorldSwing.java>
+
+```bash
+javac -d out HelloWorld.java
+
+java --class-path out HelloWorld
+```