Synchronized keyword

Synchronization
When two or more threads need access to a shared resource, they need some way to ensure that the resource will be used by only one thread at a time. The process by which this is achieved is called synchronization.

Synchronization can be achieved in two ways:

Using Synchronized Methods

synchronized return_type methodname()
{

//method body
}

Using the Synchronized Statement on an Object of a Class


synchronized(object)
{
// statements to be synchronized
}