You can use synchronization to solve race conditions, data races, and cached variable problems. Synchronization is a JVM feature that ensures that two or more concurrent threads don’t simultaneously execute a critical section that must be accessed in a serial manner. Java supports synchronization so that threads can safely update shared variables and ensure that a thread’s updates are visible to other threads. You leverage synchronization in your code by marking methods or code blocks with the synchronized keyword. These code sequences are known as critical sections. The Java virtual machine (JVM) supports synchronization via monitors and the monitorenter and monitorexit JVM instructions.
- [Instructor] We know that there can be problems…with using threads but we can use synchronization…to help solve some of these problems.…Let's take a look at what is synchronization.…We use synchronization to solve race conditions, data races,…and cached variable problems.…Synchronization is a job of virtual machine or JVM feature…that ensures two or more concurrent threads…to simultaneously execute a critical section that must be…accessed in a serial manner.…Java supports synchronization so threads can safely update…shared variables and ensure that a thread's updates…are visible to other methods.…
We leverage synchronization or code by marking methods…or code blocks with the synchronized key word.…These code sections are known as critical sections.…The JVM supports synchronization via monitors…and the monitor enter and monitor exit JVM instructions.…Every Java object is associated with a monitor,…which is a mutual exclusion construct that prevents multiple…threads from concurrently executing in a critical section.…
- What is a thread?
- Creating threads
- Syncing threads
- Understanding concurrency
- Working with the Java locking framework