What is Thread?

Before discussion of multithreading, we should learn what is thread?..

• Thread is not a program.

• Every java program has at least one thread i.e. main thread and this main thread created by the JVM(Java Virtual Machine).

• Thread are light weighted and independent.

• Threads share common memory area or same address space.

• In the java all the Threads are produced and handled by the java.lang.Thread class Package.

• We can executes multiple threads simultaneously.

What is Multithreading

• Multithreading is a feature of java language in which programmer are allowed for concurrent execution of two or more threads for maximum utilization of CPU.