rootapplet.java

来自「Usefull sample codes for Java. Containt 」· Java 代码 · 共 18 行

import java.awt.*;

public class RootApplet extends javax.swing.JApplet {
    int number;

    public void init() {
        number = 225;
    }

    public void paint(Graphics screen) {
       Graphics2D screen2D = (Graphics2D) screen;
       screen2D.drawString("The square root of " +
           number +
           " is " +
           Math.sqrt(number), 5, 50);
    }
}