flowlayoutpanel.java

Java实例入门

package layouttest;

import java.awt.*;
import javax.swing.*;

public class FlowLayoutPanel extends JPanel {
  FlowLayout flowLayout1 = new FlowLayout();
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  JButton jButton3 = new JButton();
  JButton jButton4 = new JButton();

  public FlowLayoutPanel() {
    try {
      jbInit();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }
  void jbInit() throws Exception {
    jButton1.setText("这个按钮宽度比较大");
    this.setLayout(flowLayout1);
    jButton2.setText("短");
    jButton3.setText("长度适中");
    jButton4.setText("长度适中");
    this.add(jButton1, null);
    this.add(jButton2, null);
    this.add(jButton3, null);
    this.add(jButton4, null);
  }
}