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java最简单的程序源代码话题已于 2025-06-20 00:29:22 更新
源代码:java import javax.swing.*;import java.awt.*;import java.awt.event.*;import java.io.*;public class Notepad extends JFrame implements ActionListener { private JTextArea textArea;private JFileChooser fileChooser;private String filePath = ""; // 保存文件路径 private JButton saveB...
public class Search { public static final int[][] array ={ {8,2,3,4,5},{7,6,5,8,8},{6,4,5,7,10} };public static void main(String[] args) { for(int i=0;i
代码如下:public class complie { int i,j;public complie(int i,int j)//构建一个复数类 { this.i=i;this.j=j;} complie add(complie c)//复数加法 { int l,k;l=c.i+i;k=c.j+j;return (new complie(l,k));} complie cut(complie c)//复数减法 { int l,k;l=i-c.i;k...
对于单文件的.java源代码,要运行它,首先需要使用javac.exe编译器,这是Java Development Kit (JDK) 的一部分,进行编译。在命令控制台中,通过指定文件名运行javac编译器,比如如果有名为HelloWorld.java的文件,则命令为javac HelloWorld.java。这一步会生成一个同名的.class文件,如果没有编译错误的...
import java.awt.*;import javax.swing.*;import java.awt.event.*;import javax.swing.event.*;import java.util.*; //Date needed import java.io.PrintWriter;public class NotePad extends JFrame { JTextArea jta;class newl implements ActionListener { public void actionPerformed(ActionEvent...
import java.awt.event.*;public class MyCalculator { private static double d1 = 0.0;private static double d2 = 0.0;private static String s1 = new String("0");private static String s2 = new String("0");private static char c1 ='0';private static void judgec1(TextField ...
SessionFactory sessionFactory = cfg.buildSessionFactory();你没有理解这行代码的意义,这行代码cfg.buildSessionFactory()返回的不是SessionFactory,而是实现了SessionFactory 这个接口的一个类,这个具体实现了SessionFactory接口的类是在hibernate的配置文件中配置的 ...
import java.io.OutputStream;import java.io.DataOutputStream;import java.io.BufferedReader;import java.net.ServerSocket;import java.net.Socket;import java.io.IOException;import java.util.Date;class Server { public Server(){ try { ServerSocket s=new ServerSocket(8888);Socket ss=s....
// My car shop.javaimport java.awt.*;import java.awt.event.*;import javax.swing.*;import javax.swing.border.*;public class carshop extends JFrame{ // JPanel to hold all pictures private JPanel windowJPanel; private String[] cars = { "","阿斯顿马丁", "美洲虎", "凯迪拉克", "罗孚...
import java.awt.Color;import java.awt.GridLayout;import java.awt.Point;import java.awt.event.KeyEvent;import java.awt.event.KeyListener;import java.util.*;import javax.swing.JFrame;import javax.swing.JOptionPane;public class Snake extends JFrame implements KeyListener{ int Count=0;B...