创建JFrame编写
import java.awt.BorderLayout;
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import java.awt.GridBagLayout;
import javax.swing.JScrollPane;
import java.awt.GridBagConstraints;
import javax.swing.JButton;
import java.awt.Insets;
import javax.swing.JTextArea;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.util.Random;
public class BubbleSort extends JFrame {
private JPanel contentPane;
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
BubbleSort frame = new BubbleSort();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the frame.
*/
public BubbleSort() {
setTitle("\u5192\u6CE1\u6392\u5E8F\u7B97\u6CD5");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 450, 300);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(contentPane);
GridBagLayout gbl_contentPane = new GridBagLayout();
gbl_contentPane.columnWidths = new int[] { 0, 0 };
gbl_contentPane.rowHeights = new int[] { 0, 0, 0, 0, 0 };
gbl_contentPane.columnWeights = new double[] { 1.0, Double.MIN_VALUE };
gbl_contentPane.rowWeights = new double[] { 1.0, 0.0, 1.0, 0.0,
Double.MIN_VALUE };
contentPane.setLayout(gbl_contentPane);
JScrollPane scrollPane = new JScrollPane();
GridBagConstraints gbc_scrollPane = new GridBagConstraints();
gbc_scrollPane.insets = new Insets(0, 0, 5, 0);
gbc_scrollPane.fill = GridBagConstraints.BOTH;
gbc_scrollPane.gridx = 0;
gbc_scrollPane.gridy = 0;
contentPane.add(scrollPane, gbc_scrollPane);
textArea1 = new JTextArea();
scrollPane.setViewportView(textArea1);
JButton button = new JButton("\u751F\u6210\u968F\u673A\u6570");
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
do_button_actionPerformed(e);
}
});
GridBagConstraints gbc_button = new GridBagConstraints();
gbc_button.insets = new Insets(0, 0, 5, 0);
gbc_button.gridx = 0;
gbc_button.gridy = 1;
contentPane.add(button, gbc_button);
JScrollPane scrollPane_1 = new JScrollPane();
GridBagConstraints gbc_scrollPane_1 = new GridBagConstraints();
gbc_scrollPane_1.insets = new Insets(0, 0, 5, 0);
gbc_scrollPane_1.fill = GridBagConstraints.BOTH;
gbc_scrollPane_1.gridx = 0;
gbc_scrollPane_1.gridy = 2;
contentPane.add(scrollPane_1, gbc_scrollPane_1);
textArea2 = new JTextArea();
scrollPane_1.setViewportView(textArea2);
JButton button_1 = new JButton("\u5192\u6CE1\u6392\u5E8F\u6CD5");
button_1.setActionCommand("\u5192\u6CE1\u6392\u5E8F\u6CD5");
button_1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
do_button_1_actionPerformed(e);
}
});
GridBagConstraints gbc_button_1 = new GridBagConstraints();
gbc_button_1.gridx = 0;
gbc_button_1.gridy = 3;
contentPane.add(button_1, gbc_button_1);
}
private int[] array = new int[10];
private JTextArea textArea1;
private JTextArea textArea2;
protected void do_button_actionPerformed(ActionEvent e) {
Random random = new Random();// 创建随机数对象
textArea1.setText("");// 清空文本域
for (int i = 0; i < array.length; i++) {// 初始化数组元素
array[i] = random.nextInt(50);// 生成50以内的随机数
textArea1.append(array[i] + " ");// 把数组元素显示的文本域控件中
}
}
protected void do_button_1_actionPerformed(ActionEvent e) {
textArea2.setText("");// 清空文本域
for (int i = 1; i < array.length; i++) {
// 比较相邻两个元素,较大的数往后冒泡
for (int j = 0; j < array.length - i; j++) {
if (array[j] > array[j + 1]) {
int temp = array[j];// 把第一个元素值保持到临时变量中
array[j] = array[j + 1];// 把第二个元素值保存到第一个元素单元中
array[j + 1] = temp;// 把临时变量也就是第一个元素原值保持到第二个元素中
}
textArea2.append(array[j] + " ");// 把排序后的数组元素显示到文本域中
}
textArea2.append("【");
for (int j = array.length - i; j < array.length; j++) {
textArea2.append(array[j] + " ");// 把排序后的数组元素显示到文本域中
}
textArea2.append("】\n");
}
}
}