服务器端业务接口public interface Biz extends Remote {public String aloha() throws RemoteException;}服务器端业务实现public class BizImpl extends UnicastRemoteObject implements Biz {private static final long serialVers...
java的Runtime.getRuntime().exec(commandStr)可以调用执行cmd指令.cmd /c dir 是执行完dir命令后关闭命令窗口.cmd /k dir 是执行完dir命令后不关闭命令窗口.cmd /c start dir 会打开一个新窗口后执行dir指令,原窗口会关闭.cmd /k start dir 会打开一个新窗口后执行dir...
public class Text{public static void main（String[] args）{double[][] d;String s = "1,2;3,4,5;6,7,8";String[] sFirst = s.split（";"）；d = new double[sFirst.length][];for （int i = 0; i < sFirst.len...
public static void pingFunction_1(){String line = null;try{Process pro = Runtime.getRuntime().exec("ping 192.168.2.222 ");BufferedReader buf = new BufferedReader(new InputStreamReader(pro.getInp...
import java.util.Scanner;public class FiveChessGame {private int temp;private String[][] String1;//注意在这里不能定义为char型不然打印的数字////////////////////////////public FiveChessGame(){System.out.println("pl...
如下面代码Java代码public class Test{public static int a = 2;public static void main(String[] args){Test t = new Test();t = null;System.out.println(t.a);}}输出为：2下面的代码Java代码public class Test{p...
