lab10

lab/lab10/Question5/MyFrame.java

@@ -0,0 +1,72 @@
+
+/*
+ * Author: CHEN Yongyuan (Walter) from OOP(1007)
+ * Date: 2022-05-01
+ * Description: This is the Main Frame class.
+ */
+import java.awt.BorderLayout;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JPanel;
+import java.awt.Color;
+import java.awt.FlowLayout;
+import java.awt.GridLayout;
+
+public class MyFrame extends JFrame {
+
+	public MyFrame() {
+		setTitle("MyFrame");
+		setSize(400, 300);
+		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
+		// center the frame
+		setLocationRelativeTo(null);
+
+		setLayout(new BorderLayout());
+
+		// first panel
+		JPanel p1 = new JPanel();
+		p1.setLayout(new BorderLayout(10, 10));
+		p1.setBackground(Color.BLUE);
+		// second panel
+		JPanel p2 = new JPanel();
+		p2.setLayout(new FlowLayout());
+		p2.setBackground(Color.GREEN);
+		// third panel
+		JPanel p3 = new JPanel();
+		p3.setLayout(new GridLayout(2, 2, 2, 2));
+		// add panel to frame
+		add(p1, BorderLayout.PAGE_START);
+		add(p2, BorderLayout.CENTER);
+		add(p3, BorderLayout.PAGE_END);
+
+		// tow button in the first panel
+		JButton b1 = new JButton("Button1");
+		p1.add(BorderLayout.LINE_START, b1);
+		JButton b2 = new JButton("Button2");
+		p1.add(BorderLayout.LINE_END, b2);
+
+		// two label in the second panel
+		JLabel l = new JLabel("Enter your name: ");
+		p2.add(l);
+		JTextField tx = new JTextField("Type Text Here");
+		p2.add(tx);
+
+		// checkboxs in the third panel
+		JCheckBox cb = new JCheckBox("I agree");
+		p3.add(cb);
+		JRadioButton rb = new JRadioButton("Yes");
+		p3.add(rb);
+		JComboBox<String> cb1 = new JComboBox<String>(new String[] { "Red", "Green", "Blue" });
+		p3.add(cb1);
+		JComboBox<Integer> cb2 = new JComboBox<Integer>(new Integer[] { 2, 7, -3, 24 });
+		p3.add(cb2);
+
+		setVisible(true);
+	}
+}

lab/lab10/Question5/Start.java

@@ -0,0 +1,34 @@
+/**
+ * Answer to question.
+ *
+ * - Q: What happens when you run the program?
+ *
+ * - A: The layout change to 2 columns. Direction is LTR. The program change the
+ * layout to my desired, the layout use the number of columns that I specified.
+ *
+ * - Q: Use the mouse to resize the frame. Does the layout change?
+ *
+ * - A: No, the layout doesn't change.
+ *
+ * - Q: Set the number of rows to zero in the grid layout manager and try again.
+ * What happens?
+ *
+ * - A: BOOM SHAKARAKA!
+ *
+ * - Q: What happens when you add more than one component to one of the five
+ * areas of the frame? What happens when one of the five areas does not contain
+ * any component?
+ *
+ * - A: The component will overlapping.
+ */
+public class Start {
+	public static void main(String[] args) {
+		// Dispather
+		javax.swing.SwingUtilities.invokeLater(new Runnable() {
+			@Override
+			public void run() {
+				new MyFrame();
+			}
+		});
+	}
+}