Runnable and Thread

akshar

Can anyone tell me the diffrence between two java classes which are inherited to create userdefined threads

Runnable and Thread.

Secondly tell me the use of synchronized keyword in Java.

poppitz

Hi,

Thread is a class and Runnableis an Interface which is implemented by the class Thread. So if you want to create create a multithreaded application you can either build a subclass of Thread or implement the interface Runnable.

synchronized is used to define mehtods that should only be used from one Thread at the same time. You can use it like this: