Synchronized keywords in java concurrency
Introduction In a multi-threaded environment, we often encounter resource competition, such as multiple threads going to modify the same shared variable at the same time, it is necessary to perform some processing of the resource access method to ensure that only one thread accesses it at the same time.
Java provides the synchronized keyword to facilitate us to achieve the above operation.
Why synchronized Let’s take an example where we create a class that provides a setSum method.