Query Regarding static

[anuj_sharma]

Hey Guys,

I have the following code.

public class Main {

    static int a = 3;
    static int b;

    static void math(int x) {
        System.out.println("x = " + x);
        System.out.println("a = " + a);
        System.out.println("b = " + b);
    }

     public static void main(String[] args) {
        math(100);
    }

    static {
        b = a * 4;
    }
}

When I ran the above program, the control first went to intialise the variable a, then static method in which variable b is calculated and then it went to the main method.

Can someone explain me why it doesn't first go to the main method?

[stephen84s]

Well those are the steps that happen when a class is loaded for the first time(and your class has to be loaded before any static methods on it can be executed in this case the main) in your JVM,

• First your static variables are initialised
• Next your static blocks are executed

You could check this by moving the main method to another class and by trying to create an object of this class or by calling the math() method directly.