By Nancy 2015 | By Nancy | CONFIDENTIAL Objective-Day1(1 hour)           Multithreading: What and Why? Life Cycle of a Thread Creating Thread Sleeping a thread Joining a thread Thread Priority Daemon Thread Performing multiple task by multiple thread Garbage Collection Runnable class 2015 | By Nancy | CONFIDENTIAL What is multithreading?  Multithreading is a process of executing multiple threads simultaneously. What is thread?  Thread is a lightweight sub-process or we can say it is a smallest unit of any process. 2015 | By Nancy | CONFIDENTIAL Lifecycle of thread A thread can be in any of following five states...  New  Runnable  Running  Blocked (Waiting)  Terminated (Dead) In Java, lifecycle of a thread is handled by JVM. 2015 | By Nancy | CONFIDENTIAL Lifecycle of thread  New   Runnable   When instance of Thread class created. After calling start() method. Thread scheduler has not selected it to be in running state yet. Running  After calling run() method if thread scheduler selected it to be in running state.  Waiting  Blocked or non runnable state while thread is alive but not running.  Terminated  Dead thread when run() method exits. 2015 | By Nancy | CONFIDENTIAL Create Thread We have two ways to create a thread…  Extending Thread class  Implements Runnable interface 2015 | By Nancy | CONFIDENTIAL Thread Class    Thread class Extends Obj ...
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