import java.awt.*;
import javax.swing.*;public class ToolTipDemo extends JFrame
{
String tooltipText1="Click me!";
String tooltipText2="<html><HTML><body style=color:red>"+
"Tooltip in <br> Multiline</body></html>"; public ToolTipDemo()
{
JButton b1=new JButton("Button 1");
JButton b2=new JButton("");
b1.setToolTipText(tooltipText1);
b2.setToolTipText(tooltipText2);
Container cp=getContentPane();
cp.setLayout(new FlowLayout());
setSize(200,100);
cp.add(b1);
cp.add(b2);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
show();
}
public static void main(String args[])
{
new ToolTipDemo();
}
}
import javax.swing.*;public class ToolTipDemo extends JFrame
{
String tooltipText1="Click me!";
String tooltipText2="<html><HTML><body style=color:red>"+
"Tooltip in <br> Multiline</body></html>"; public ToolTipDemo()
{
JButton b1=new JButton("Button 1");
JButton b2=new JButton("");
b1.setToolTipText(tooltipText1);
b2.setToolTipText(tooltipText2);
Container cp=getContentPane();
cp.setLayout(new FlowLayout());
setSize(200,100);
cp.add(b1);
cp.add(b2);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
show();
}
public static void main(String args[])
{
new ToolTipDemo();
}
}
不太懂