Threads in java

Threads in Java Programming Mukesh Singh 5 th cse

What are threads? ,[object Object],[object Object],[object Object]

Creating a Thread in Java ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Creating a Thread in Java ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Thread Lifecycle Born Blocked Runnable Dead stop() start() stop() Active block on I/O I/O available JVM sleep(500) wake up suspend() resume() wait notify

Thread Priority ,[object Object],[object Object],[object Object]

Thread Priority (cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],The main thread is created with priority NORM_PRIORITY

Thread Synchronization ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Consumer ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Producer ,[object Object],[object Object],[object Object],[object Object],[object Object]

Wait/Notify Sequence Lock Object Consumer Thread Producer Thread 1. synchronized(lock){ 2. lock.wait(); 3. produceResource() 4. synchronized(lock) { 5. lock.notify(); 6.} 7. Reacquire lock 8. Return from wait() 9. consumeResource(); 10. }

Thread Deadlock ,[object Object],[object Object],[object Object],[object Object]

Avoiding Deadlock ,[object Object],[object Object],[object Object],[object Object],[object Object]

Java is Multithreaded ,[object Object],[object Object]

Threads in java

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