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Question 6

The document contains code for two threads that attempt to synchronize access to two lock objects. Thread 1 acquires lock 1, then waits for lock 2, while thread 2 acquires lock 2 first and waits for lock 1, demonstrating potential deadlock between the threads.

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16 views2 pages

Question 6

The document contains code for two threads that attempt to synchronize access to two lock objects. Thread 1 acquires lock 1, then waits for lock 2, while thread 2 acquires lock 2 first and waits for lock 1, demonstrating potential deadlock between the threads.

Uploaded by

bb m
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Question 5:

public class Main {


public static Object Lock1 = new Object();
public static Object Lock2 = new Object();

public static void main(String args[]) {


ThreadDemo1 T1 = new ThreadDemo1();
ThreadDemo2 T2 = new ThreadDemo2();
T1.start();
T2.start();
}

private static class ThreadDemo1 extends Thread {


public void run() {
synchronized (Lock1) {
System.out.println("Thread 1: Holding lock 1...");
try { Thread.sleep(10); }
catch (InterruptedException e) {}
System.out.println("Thread 1: Waiting for lock 2...");
synchronized (Lock2) {
System.out.println("Thread 1: Holding lock 1 & 2...");
}
}
}
}

private static class ThreadDemo2 extends Thread {


public void run() {
synchronized (Lock2) {
System.out.println("Thread 2: Holding lock 2...");
try { Thread.sleep(10); }
catch (InterruptedException e) {}
System.out.println("Thread 2: Waiting for lock 1...");
synchronized (Lock1) {
System.out.println("Thread 2: Holding lock 1 & 2...");
}
}
}
}
}
Testing the cod:

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