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class sStatic {

int d1,count;

static int d2, staticData=1;

static String str = "JU";

static {

d2 = 10; // initializing static staticData in static block

System.out.println("static block 1"); // 1st static block invoked

}

{

System.out.println("initialization block"); // this initialization block will be invoked whenever a new object is created

}

sStatic() {

count = staticData++;

System.out.println("Constructor"); // invoked whenever object without parameter is created

}

static {

System.out.println("static block 2"); // 2nd static block invoked

}

sStatic(int d) {

d1 = d;

System.out.println("Parameterized Constructor"); // invoked whenever object with parameter is created

}

int mul() {

return d1 * d2;

}

public static void add(String s) { // Invoke only when one string is passed

str = s;

// static method cant access any non static member directly or without object

}

public static void add(String s1, String s2) { // Invoke only when two string is passed

str = s1 + s2;

}

public static void main(String[] args) {

//2 static blocks already invoked before executing main

System.out.println("in Main");

System.out.println("static staticData : " +sStatic.d2); // Accessing static staticData member directly through class

sStatic s = new sStatic(); // initialization block invoked

// count = 1 ; staticData = 2;

sStatic s2 = new sStatic(10); // initialization block invoked again while creating another object

System.out.println(s.d1 + "*" + sStatic.d2 + "=" + s.mul());

s.d1 = 4;

System.out.println(s.mul());

// Static Members

sStatic.d2 = 5; // changing static staticData directly by class

System.out.println("static staticData : " +sStatic.d2);

System.out.println(s.mul());

System.out.println(sStatic.str);

// Static Member Method

sStatic.add("IT"); // Calling static method directly by Class

System.out.println(sStatic.str); // printing it after changing

sStatic s1 = new sStatic(); // count = 2 ; staticData = 3;

System.out.println(s1.str); // Accessing static staticData by the object which could be done bt with a warning

// Overloading of Static Member Method

sStatic.add("JU", "IT"); // Calling Overloaded static method directly by Class

System.out.println(sStatic.str);

System.out.println();

// Count

System.out.println(s.count);

System.out.println(s1.count);

System.out.println(sStatic.staticData); // staticData = 3

System.out.println(s2.staticData);

sStatic s3 = new sStatic(); // count = 3 ; staticData = 4;

System.out.println(s3.staticData);

System.out.println(s3.count);

}

}