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//program to demonstrate constructor overloading in class student

class studenttwo
{
	int rollno;
	String name;
	int marks;
	int clas;
public	studenttwo()   //constructor 1
	{
		rollno=1;
		name=new String("abcdef");
		marks=90;
		clas=11;
	}
public	studenttwo(int srollno)  //constructor 2
	{
		rollno=srollno;
		name=new String("abcdef");
		marks=90;
		clas=11;
	}
	public studenttwo(int srollno,String sname)    //constructor 3
	{
		rollno=srollno;
		name=sname;
		marks=90;
		clas=11;
	}
	public studenttwo(int srollno,String sname,int smarks)   //constructor 4
	{
		rollno=srollno;
		name=sname;
		marks=smarks;
		clas=11;
	}
	public studenttwo(int srollno,String sname,int smarks,int sclas) //constructor 5
	{
		rollno=srollno;
		name=sname;
		marks=smarks;
		clas=sclas;
	}
	void showdata()
	{
		System.out.println("rollno is " + rollno);
		System.out.println("name is " + name);
		System.out.println("marks are " + marks);
		System.out.println("class is " + clas);
	}
};

public class consoverloading {
                 public static void main(String[] args) {
  studenttwo ob1=new studenttwo();  //constructor 1 called here
	ob1.showdata();
	studenttwo ob2=new studenttwo(2); //constructor 2 called here
	ob2.showdata();
	studenttwo ob3=new studenttwo(3,"derdre"); // constructor 3 called here
	ob3.showdata();
	studenttwo ob4=new studenttwo(4,"abcdef",89); // constructor 4 called here
	ob4.showdata();
	studenttwo ob5=new studenttwo(5,"xyxyz",90,11);  //constructor 5 called here
	ob5.showdata();
}
}