point.comJava Multithreading
In Java, multi-threading is the process of executing multiple threads at a time.
A multi-threaded program consists of two or more parts which run simultaneously. Each part can handle a different task at the same time.
A thread is a lightweight sub-process and uses shared memory area.
Multitasking is defined as multiple processes share common processing resources of CPU.
Advantages of Multithreading in Java
- Multithreading enhances performance by decreasing the development time.
- While performing multiple operations at a time, you can also save your time.
- Threads are independent, so it does not affect other threads.
- It is a better use of the cache storage by utilization of the resources.
- It helps the better use of the CPU resource.
| S.no | Method | Description |
|---|---|---|
| 1 | public void start() | It starts the execution of the thread and it invokes the run() method. |
| 2 | public void run() | It is invoked on that Runnable object. |
| 3 | public static void sleep(long millisec) | It sleeps a thread for the specified number of milliseconds. |
| 4 | public final void setName(String name) | It Changes the name of the Thread object. |
| 5 | public final void setPriority(int priority) | It sets the priority of this Thread object. |
| 6 | public final void join(long millisec) | It waits for a thread to die. |
| 7 | public final boolean isAlive() | It checks whether the thread is alive or not. |
| 8 | int getPriority() | It returns the priority of the thread. |
| 9 | public static void yield() | Causes the currently executing thread object to yield and allow other threads to be scheduled. |
| 10 | public static Thread currentThread() | It returns a reference to the currently executing thread object. |
| 11 | void stop() | It is used to stop the thread. |
| 12 | boolean isDaemon() | It check whether the thread is a daemon thread or not. |
| 13 | void interrupt() | It interrupts the thread. |
| 14 | void notify() | It is used to give the notification for only one thread to awake up from wait state. |
| 14 | void notifyAll() | It is used to give the notification all thread to awake up from wait state. |
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