JAVA上机——

/*  * Copyright (c) 2015, 烟台大学计算机学院  * All rights reserved.  * 文件名称：test.java  * 作    者：王元阳  * 完成日期：2015 年 9 月 22 日  * 版 本 号：v1.0  *问题描述:用户输入一个点的坐标，系统判断这个点是否在以（0,0）为圆心，10为半径的圆内。 */import java.util.Scanner;import javax.swing.JOptionPane;public class Judgement {/** * @param args */public static void main(String[] args) {// TODO Auto-generated method stubScanner input = new Scanner(System.in);System.out.println("Enter a point with a coordnates:");int a = input.nextInt();int b = input.nextInt();if ((double) Math.sqrt(a * a + b * b) < 10.0)System.out.println("Point(" + (double) a + "," + (double) b+ ") is inside this circle.");elseSystem.out.println("Point(" + (double) a + "," + (double) b+ ") is outside this circle.");}}