Static Keyword in java

Write a program in java to demonstrate the Static variable, Static Method, Static Block

 
public class StaticDemo 
{
 static int count=0;
 int sr;
 StaticDemo()
 {
  count++;
  sr=count;
 }
 void showsr()
 {
  System.out.println("Sr. No. of object created: "+sr);
 }
 static void showcount()
 {
  System.out.println("Total No. of object created: "+count);
 }
 public static void main(String[] args) 
        {
  StaticDemo.showcount();
  StaticDemo obj1=new StaticDemo();
  StaticDemo obj2=new StaticDemo();
  obj1.showsr();
  StaticDemo obj3=new StaticDemo();
  obj2.showsr();
  obj3.showsr();
  showcount();
 }
}
Output