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public class DealLockTest implements Runnable {
static String i = new String();
static String j = new String();
private String str = null;
public DealLockTest(String str) {
this.str = str;
}
public static void main(String[] args) {
new Thread(new DealLockTest("i")).start();
new Thread(new DealLockTest("j")).start();
}
public void run() {
if (str.equals("i")) {
synchronized (i) {
System.out.println(Thread.currentThread().getName()+":"+"i");
Thread.yield();
synchronized (j) {
System.out.println("i is over");
}
}
} else {
synchronized (j) {
System.out.println(Thread.currentThread().getName()+":"+"j");
Thread.yield();
synchronized (i) {
System.out.println("j is over");
}
}
}
}
}

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Java Network Game Programming

game
server responsibility:
Initialize
the server socke;

Wait
for a client to connect;

Accept
the client connection;

Create
a daemon thread to support the clien;

Go
back to step 2.

game daemon responsibility:
Accept
client player connection;

Pair ......

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Java Scanner NoSuchElementException

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Scanner scan = new Scanner(System.in);
scan.next();
scan.close();
scan = new Scanner(System.in);
scan.next(); 
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Myeclipse±¨Could not create Java VM
 
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