===============================第一题==============================
import javaappletApplet;
import javaawtColor;
import javaawtLabel;
public class test extends Applet {
private Label label;
@Override
public void init() {
label=new Label("欢迎来到java世界!");
labelsetBackground(ColorBLUE);
setBackground(ColorPINK);
add(label);
}
}
===============================第二题==============================
因为没图,所以自己设计的界面
import javaawtBorderLayout;
import javaawteventActionEvent;
import javaawteventActionListener;
import javaxswingJButton;
import javaxswingJFrame;
import javaxswingJLabel;
import javaxswingJPanel;
import javaxswingJScrollPane;
import javaxswingJTextArea;
public class test implements ActionListener {
private JFrame frame;
private JLabel label;
private JTextArea jt;
private JScrollPane jsp;
private JButton show;
public test() {
frame=new JFrame("Test");
label=new JLabel("显示内容");
jt=new JTextArea(10,20);
jsp=new JScrollPane(jt);
show = new JButton("显示给定内容");
JPanel panel=new JPanel();
paneladd(label);
paneladd(show);
frameadd(jsp,BorderLayoutNORTH);
frameadd(panel,BorderLayoutSOUTH);
showaddActionListener(this);
show();
}
public void show(){
framesetLocation(200, 200);
framesetSize(300, 260);
framesetDefaultCloseOperation(JFrameEXIT_ON_CLOSE);
framesetVisible(true);
}
@Override
public void actionPerformed(ActionEvent e) {
labelsetText(jtgetText());
}
public static void main(String[] args) {
new test()show();
}
}
简单的就不用框架了
inputNumberjsp
-------------------
<html>
<body>
<form name="input" action="computerAndShowjsp" method="post">
<input type="text" name="number">
<input type="submit" value="提交" name="s1">
</form>
</body>
</html>
-------------------
computerAndShowjsp
--------------------
<%page import="javalangInteger" %>
<html>
<body>
<%
String number=requestgetParameter("number");
int i=IntegerparseInt(number);
int square=ii;
int cube=iii;
outprint(square+" "+cube);
%>
</body>
</html>
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