?? textareaevent.java
字號:
import java.util.*;
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
public class TextAreaEvent extends Applet implements TextListener {
TextArea text1, text2;
public void init() {
text1 = new TextArea(6, 15);
text2 = new TextArea(6, 15);
add(text1);
add(text2);
text2.setEditable(false);
text1.addTextListener(this);
}
public void textValueChanged(TextEvent e) {
if (e.getSource() == text1) {
String s = text1.getText();
StringTokenizer fenxi = new StringTokenizer(s, " ,'\n'");
int n = fenxi.countTokens();
String a[] = new String[n];
for (int i = 0; i <= n - 1; i++) {
String temp = fenxi.nextToken();
a[i] = temp;
}
for (int i = 0; i <= n - 1; i++) //按字典序從小到大排序。
{
for (int j = i + 1; j <= n - 1; j++) {
if (a[j].compareTo(a[i]) < 0) {
String t = a[j];
a[j] = a[i];
a[i] = t;
}
}
}
text2.setText(null); //刷新顯示。
for (int i = 0; i < n; i++) {
text2.append(a[i] + "\n");
}
}
}
}
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