Suspending And Resuming Threads In Java
The suspend method of thread class puts the thread from running to waiting state.
Suspending and resuming threads in java. Than Thread-2 will try to acquire lock on Stringclass and lock is available. The mechanisms to suspend resume and stop threads differ between early versions of Java such as Java 10 and modern versions beginning with Java 2. Suspending Resuming and Stopping Threads Using Java 11 and Earlier.
The suspend method is deprecated because when a thread which has lock is suspended it causes the other threads to wait. Java Thread suspend method. If the present thread cannot modify the target thread then itll throw Security Exception.
The reason for this is that the suspend method doesnt release the acquired monitors and if a suspended thread has already acquired the monitor of a critical resource then an attempt to acquire the same resource in the thread which would resume the suspended target thread will cause a deadlock. Catch InterruptedException exc Systemoutprintln thrdgetName interrupted. The Debugging window simplifies the debugging process by integrating into one window the information about debugging sessions application threads and thread call stacks.
Prior to Java 2 a program used suspend resume and stop which are methods defined by Thread to pause restart and stop the execution of a thread. This function makes a thread temporarily cease execution. The mechanisms to suspend stop and resume threads differ between early versions of Java and more modern versions beginning with Java 2.
So here the program shows how the thread is suspended temporarily by using the suspend function. Suspend and resume methods are deprecated as it may cause a deadlock to happen. The suspended thread is often resumed using the resume method.
The earlier support provided by JDK 11 to manage threads using suspend resume and stop are no more relevant since they are deprecated. Class MyNewThread implements Runnable Thread thrd. NewThreadString threadname name threadname.