What is synchronization and why is it important in Java?

What is synchronization and why is it important? Describe synchronization in respect to multithreading.

Synchronization is the process of allowing threads to execute one after another.

Synchronization control the access the multiple threads to a shared resources. Without synchronization of threads, one thread can modify a shared variable while another thread can update the same shared variable, which leads to significant errors.

What is synchronization and why is it important?

Java supports multiple threads to be executed. This may cause two or more threads to access the same fields or objects. Synchronization is a process which keeps all concurrent threads in execution to be in synch. Synchronization avoids memory consistence errors caused due to inconsistent view of shared memory. When a method is declared as synchronized; the thread holds the monitor for that method's object If another thread is executing the synchronized method, your thread is blocked until that thread releases the monitor.

Explain the use of synchronization keyword.

When a method in Java needs to be synchronized, the keyword synchronized should be added.

Public synchronized void increment()
Synchronization does not allow invocation of this Synchronized method for the same object until the first thread is done with the object. Synchronization allows having control over the data in the class.

What is synchronization and why is it important? Describe synchronization in respect to multithreading.

- Threads communicate by sharing access to fields and the objects.
- However, due to threading there is a possibility of thread interference and memory inconsistency.
- Synchronization is used to prevent this.
- In synchronization, if an object is visible to more than a thread, all reads or writes to that object's variables are done through synchronized methods.
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