Interested to Buy Any Domain ? << Click Here >> for more details...
This is related to threads. I have a class with synchronized
method m1(). Can I create different instances of this class
and execute the m1() for different threads?
- 3 Answers
- 6082 Views
- I also Faced
- E-Mail Answers
Answer Posted / qim2010
Putting code inside a synchronized block makes the compiler
append instructions to acquire the lock on the specified
object before executing the code, and release it afterwards
(either because the code finishes normally or abnormally).
Between acquiring the lock and releasing it, a thread is
said to "own" the lock. At the point of Thread A wanting to
acquire the lock, if Thread B already owns the it, then
Thread A must wait for Thread B to release it. Thus in the
example below, simultaneous calls to increment() and
getCount() will always behave as expected; a read could not
"step in" while another thread was in the middle of
incrementing.
public class Counter {
private int count = 0;
public void increment() {
synchronized (this) {
count++;
}
}
public int getCount() {
synchronized (this) {
return count;
}
}
}
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What is meant by local variable and instance variable?
How to create a custom exception?
What is boolean strategy?
what is anonymous class in java?
What languages are pass by reference?
What do you mean by formatting?
Where are the local variables stored?
What loop means?
how we can make a write-only class in java?
Can you give names of Container classes?
What is a percentage sign called?
what is encapsulation in java? Explain
How to create an immutable class?
What are the different ways of creating thread?
What is meant by bytecode?
