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Lately we learnt about the Static keyword in Java, which makes methods available for invoking even before creating objects. Very often a method needs to refer...

Normally a class member must be accessed in conjunction with an object of its class. There will be times when you will want to define the class member which...

In our previous discussion on how to initialize instance variables in Java, we have came across constructor. Here we will discuss constructor in detail. First...

Introduction Since now you have learnt about creating objects of a Class in Java, we need to checkout how we can pass arguments while creating methods. In call...

Instance Variables In our previous discussion we have discussed what is instance variable or member variable. Instance variables are the variables which is...

Sometimes you may want to pass information into a program during runtime. This can be done by passing command line argument to main() method. Command line...

In Java everything is an Object. Hereby lets start with the basic concepts of Object Oriented Programming a.k.a. OOPs. Class can be viewed as an Entity whereas...

Now you should have some basic concepts of Java programming. The classpath is an environment variable which tells the “javac.exe” compiler and “java.exe”...

Introduction Java is a high-level (Easy to understand), object-oriented (have OOPs properties like Encapsulation, Inheritance, Polymorphism), platform...