Object Oriented programming suggests to use the following principles during the design of a software.   Encapsulation : Manipulation of...

At a particular point of time every developer needs to run some task background.  In java we have background clean up program nothing but G...

Difference between Static binding and Dynamic binding in java ? Static binding : Occurs during compile time . Uses type(Class) informati...

How Java pass parameters to method ? Call by Reference or Call by Value ? One of the tricky parts of java to understand, whether it supp...

How hashCode and equals method works in HashMap or HashTable? Ans)   HashMap or HashTable or ConcurrentHashMap are used based on requi...

MultiThreaded Programming is always special in java. It has lot to do. In such cases we will face problems like sharing of variables (whi...

Java Memory Areas Java program has one or more threads. Each thread has its own stack.  All threads share same heap 

Java Implementation : Compiler and Virtual Machine Compiler produces bytecode Virtual machine loads classes on demand, verifies...

What is the Difference between JDK and JRE? Ans :  The “JDK” is the Java Development Kit i.e., the JDK is bundle of software that you...