Java Variable
A variable is a container which holds the value while the java program is executed. A variable is assigned with a data type. and we can't create a single variable without type.
Variable is a name of memory location. There are three types of variables in java: local, instance and static.
In this tutorial we are going to learn java Instance variable.
Java Instance Variable
Instance Variable: A Variable declared inside the class but outside the body of the method or constructor or block is called and instance Variable. It is not declared as static variable , or if the value of variable valid from object to object.
Example :
Class Test {
int i =10; // Instance Variable
public static void main(String [] args){
System.out.println(i); // Compile Time Error
Test t = new Test();
System.out.println(t.i); // It Returns 10
}
}
No comments:
Post a Comment