importjava.awt.FlowLayout;
importjava.awt.TextArea;
importjava.awt.event.ActionEvent;
importjava.awt.event.ActionListener;
importjavax.swing.JButton;
importjavax.swing.JFrame;
public class Test9 extends JFrame{
private JButtonbtn = new JButton("排序");
private static TextArea ta = new TextArea(12,70);
private int[] arr ={2,1,6,88,12,99,12,33,99,88,100,22,-7};;
public Test9() {
setSize(550, 300);
setVisible(true);
setDefaultCloseOperation(DISPOSE_ON_CLOSE);
setLocationRelativeTo(null);
setLayout(new FlowLayout());
add(btn);
btn.addActionListener(new ActionListener() {
publicvoid actionPerformed(ActionEvent arg0) {
bubbleSort(arr);
}
});
add(ta);
}
/**
* @param args
*/
public static void main(String[] args) {
new Test9();
}
public static int[] bubbleSort(int[] source) {
boolean isSort =false; // 是否排序
for (int i = 1; i < source.length; i++) {
isSort = false;// 在每次排序前都初始化为false
ta.append("---------------第"+i+"次排序【"+arrayToString(source)+"】---------------\n");
for (int j = 0; j < source.length - i; j++) {
if (source[j] > source[j + 1]) {
int temp = source[j];
source[j]= source[j + 1];
source[j+ 1] = temp;
isSort= true;// 为TRUE表明此次循环（外层循环）有排序。
ta.append("第" + i +"次排序，第" + (j+1) +"次比较。" + source[j] +"与" + source[j+1] +"交换位置【"+arrayToString(source)+"】\n");
}
}
if (!isSort) {
ta.append("排序完毕！\n");
break;// 如果没有排序，说明数据已经排序完毕。
}
}
return source;
}
public static String arrayToString(int[] arr) {
if (arr ==null || arr.length == 0) {
return"";
}
StringBuilder sbr = new StringBuilder();
for (int i=0;i<arr.length;i++) {
sbr.append(arr[i]);
if (i != arr.length - 1) {
sbr.append(",");
}
}
return sbr.toString();
}
}
