#37 Static Variable in Java

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In this lecture we are discussing:
1)What is use static keyword in java?
2)At which place we can use static keyword. (discussing in upcoming next video)
3)when memory get allocated (extra information how static variable memory get allocated)
4)static variable vs instance method


#1
Use of static keyword
= when we are using static keyword with variable, block, method it become
independent of object.
e.g class{
static int a=5;
}
= a is not dependent on object .if we have two object obj1 and obj2 then both object able to access this
variable.
= when we are using static it become independent to object.

#2
Four place we can use static keyword
a) before variable declaration e.g class Calc{ static int s; }

b) before a block class Calc{ static {System.out.println(\