Static Variable

Demonstrating Use of Static Variable.

class Student
{

int rollno=0;
static int boy=0;
static int girl=0;


        // Value 1-Boy 2-Girl Constructor
Student(int no)
{
if(no==1)
{
boy++;
rollno=boy + girl;
}
else
{
girl++;
rollno=boy + girl;
}

}

static void TotalObj()
{
System.out.println(boy + girl);
}

}

class C
{

public static void main(String s[])
{
Student sanjay=new Student(1);
Student amit=new Student(1);
Student sonali=new Student(2);
Student dipti=new Student(2);
System.out.println("Sanjay Roll No : "+sanjay.rollno);
System.out.println("Dipti Roll No : "+dipti.rollno);
System.out.println("Total Boys: " + sanjay.boy);
System.out.println("Total Girls: " + Student.girl );
System.out.print("Total Students : ");
Student.TotalObj();
}
}