frame1.java

来自「jbuilder2005」· Java 代码 · 共 41 行

package stringtest;

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

public class Frame1
    extends JFrame {
  JPanel contentPane;
  BorderLayout borderLayout1 = new BorderLayout();

  public Frame1() {
    try {
      setDefaultCloseOperation(EXIT_ON_CLOSE);
      jbInit();
    }
    catch (Exception exception) {
      exception.printStackTrace();
    }
  }

  /**
   * Component initialization.
   *
   * @throws java.lang.Exception
   */
  private void jbInit() throws Exception {
    contentPane = (JPanel) getContentPane();
    contentPane.setLayout(borderLayout1);
    setSize(new Dimension(400, 300));
    setTitle("显示数组中的字符");
  }
  public void paint(Graphics g){
    char[] str = {'一', '二', '三', '四', '五', '六', '七', '八', '九', '十'};
    g.drawChars(str, 0, str.length, 10, 40); //显示所有数组元素
    g.drawChars(str, 2, 4, 10, 60); //显示下标为2(即第3个字符)开始的4个字符
    for (int i = 0; i < str.length; i++) //逐个显示str数组中的每个字符
    g.drawChars(str, i, 1, 10, 80 + i * 20);
}

}