Static variable and method

Static Keyword

• The static variables are created only once for all objects.
• The value of static variables is the last modified value.
• The static method only access the static variable.
• The static keyword u can’t apply for constructor.
• The static block is first executed. The static variable and method u can access from non-static method and constructor.
• Without creating object we can access the Static members and methods.
• It won’t support the this and super keyword inside the static method.
• We can apply static keyword only inner class

Example of Static

public class Sta {

static int a=100; int b=200;

static void show(){

System.out.println(“non_static var=“+b); è // we can’t access non static variable

System.out.println("static show method"); inside of static method….

}

Static{ è // static block

System.out.println("static block");

}

static int disp(int b){

return b;

}

public static void main(String[] args){

System.out.println("static variable=="+Sta.a);

Sta.show();

System.out.println(Sta.disp(300));

}

}