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public class DeadLock {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
final Object resource1 = "resource1";
final Object resource2 = "resource2";
Thread t1 = new Thread(){
public void run(){
synchronized(resource1){
System.out.println("Thread1:locked resource1");
try{
Thread.sleep(50);
}catch(Exception ex){
}
synchronized(resource2){
System.out.println("Thread1:locked resource2");
}
}
}
};
Thread t2 = new Thread(){
public void run(){
synchronized(resource2){
System.out.println("Thread2:locked resource2");
try{
Thread.sleep(50);
}catch(Exception ex){
}
synchronized(resource1){
System.out.println("Thread2:locked resource1");
}
}
}
};
t1.start();
t2.start();
}
}
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int add(int x, int y) { return x + y;}
float add(float x, float y) { return x + y;}
double add(double x ,double y) {return x + y;}
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//horrible abuse of exceptions. Don't ever do this!
try{
int i=0;
while(true)a[i++].f();
}catch(ArrayIndexOutOfBoundsException e){
......
class Global {
public static final String APPNAME= "xyz"; //È«¾Ö³£Á¿
public static String currentUser = "abc"; // È« ......