Question
class newthread extends Thread {
Thread t1,t2;
newthread() {
t1 = new Thread(this,"Thread_1");
t2 = new Thread(this,"Thread_2");
t1.start();
t2.start();
}
public void run() {
t2.setPriority(Thread.MAX_PRIORITY);
System.out.print(t1.equals(t2));
}
}
class multithreaded_programing {
public static void main(String args[]) {
new newthread();
}
}
What is the output of this program?
class newthread extends Thread {
Thread t1,t2;
newthread() {
t1 = new Thread(this,"Thread_1");
t2 = new Thread(this,"Thread_2");
t1.start();
t2.start();
}
public void run() {
t2.setPriority(Thread.MAX_PRIORITY);
System.out.print(t1.equals(t2));
}
}
class multithreaded_programing {
public static void main(String args[]) {
new newthread();
}
}
Answer: Option D
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This program was previously done by using Runnable interface, here we have used
Thread class. This shows both the method are equivalent, we can use any of them to
create a thread.
Output:
$ javac multithreaded_programing.java
$ java multithreaded_programing
falsefalse
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