Slip5
: Define a class student with attributes rollno and name. Define default and
parameterised constructor. Override the toString()method. Keep the count of
Objects created. Create objects using parameterised constructor and Display the
objects count after each object is created.
import
java.io.*;
class
Slip5
{
static
int cnt;
int
roll;
String
nm;
Slip5()
{
nm="";
}
Slip5(int
rno,String name)
{
roll=rno;
nm=name;
cnt++;
System.out.println("objects
created="+cnt);
}
public
String toString()
{
return
"rno = "+roll+" nm = "+nm;
}
public
static void main(String a[]) throws Exception
{
int
n,i,rno;
String
name;
BufferedReader
br=new BufferedReader(new
InputStreamReader(System.in));
System.out.println("enter
no of students");
n=Integer.parseInt(br.readLine());
Slip5
ob[]=new Slip5[n];
for(i=0;i<n;i++)
{
System.out.println("enter
roll no");
rno=Integer.parseInt(br.readLine());
System.out.println("enter
name");
name=br.readLine();
ob[i]
= new Slip5(rno,name);
}
System.out.println("Students
are : ");
for(i=0;i<n;i++)
{
System.out.println(ob[i]);
}
}
}
