摘要：
package Suchas; import java.io.*; public class FileIO { public FileIO(String str) { File f = new File("data.txt"); try { File file = new File("dat... 阅读全文
摘要：
package com.wsy.work2; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing... 阅读全文
摘要：
package work; import java.util.Scanner; public class ExceptionTest { public static void main(String[] args) { Scanner in = new Scanner(System.in); double n1 = in.nextDouble(); ... 阅读全文
摘要：
package com.wsy.work; import java.awt.Color;import java.awt.event.ActionEvent;import java.awt.event.ActionListener; import javax.swing.JButton;import 阅读全文
摘要：
第一题：package JavaPractice; class Monkey { private String s; public Monkey() { } public Monkey(String s) { this.s=s; } public String getS() { return s; 阅读全文