why do we use thread.join in java code example
Example: thread join java
class ThreadJoining extends Thread
{
@Override
public void run()
{
for (int i = 0; i < 2; i++)
{
try
{
Thread.sleep(500);
System.out.println("Current Thread: "
+ Thread.currentThread().getName());
}
catch(Exception ex)
{
System.out.println("Exception has" +
" been caught" + ex);
}
System.out.println(i);
}
}
}
class GFG
{
public static void main (String[] args)
{
ThreadJoining t1 = new ThreadJoining();
ThreadJoining t2 = new ThreadJoining();
ThreadJoining t3 = new ThreadJoining();
t1.start();
try
{
System.out.println("Current Thread: "
+ Thread.currentThread().getName());
t1.join();
}
catch(Exception ex)
{
System.out.println("Exception has " +
"been caught" + ex);
}
t2.start();
try
{
System.out.println("Current Thread: "
+ Thread.currentThread().getName());
t2.join();
}
catch(Exception ex)
{
System.out.println("Exception has been" +
" caught" + ex);
}
t3.start();
}
}