#local variable

Types of Variables in Java

In this post, I am going to talk about the types of Java variables. In Java language, we normally see three kinds of variables.

They are :

Instance Variable

Static Variable

Local Variable

Instance Variables

An instance variable is a variable declared inside a class, but outside a method. In object-oriented programming with classes, an instance variable is a variable defined in a class…

Difference between local and global variable

A variable is a name of a storage location where data gets stored. Using that name one can perform operations and manipulations on the values.

A variable should not be named after a reserved keyword.

 Unlike constants, a variable holding value can be changed at runtime.

Each and every variable has a lifetime to which extent it is visible within a particular block called scope, and outside of that…

Instance, Static, Local, Non-static, Primitive, Reference variable in java all are different types of variables available and we can classified them based on type of value representation and based on it’s position, So let’s see them in details… (more…)

Local Variable do not support default value class Local {                 public static void main(String ar[])                 {                                 int a;      //Local Variables                                 System.out.println(a);                 } } Output – It gives error, because in java local variable of a method do not support default value and also garbage value. So it must…