To Demonstrate static variables, methods, and blocks

Here is a Java Program to Demonstrate static variables, methods, and blocks.

class UseStatic {
  static int a = 3;
  static int b;

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

  static {
    System.out.println("Static block initialized.");
    b = a * 4;
  }

  public static void main(String args[]) {
    meth(42);
  }
}

Output of Above Java Program
Static block initialized.
x = 42
a = 3
b = 12