Define Student class(roll_no, name, percentage) to create n objects of the Student class. Accept details from the user for each object. Define a static method “sortStudent” which sorts the array on the basis of percentage.

Define Student class(roll_no, name, percentage) to create n objects of the Student class. Accept details from the user for each object. Define a static method “sortStudent” which sorts the array on the basis of percentage.

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
class Student
{
int rollno;
String name;
float per;
static int count;

Student(){}
Student(String n,float p)
{
count++;
rollno=count;
name=n;
per=p;
}
void display()
{
System.out.println(rollno+"\t"+name+"\t"+per);
}
float getper()
{
return per;
}
static void counter()
{
System.out.println(count+" object is created");
}
public static void sortStudent(Student s[],int n)
{
for(int i=n-1;i>=0;i--)
{
for(int j=0;j<i;j++)
{
if(s[j].getper()>s[j+1].getper())
{
Student t=s[j];
s[j]=s[j+1];
s[j+1]=t;
}
}
}
for(int i=0;i<n;i++)
s[i].display();
}
}
class Studentclass
{
public static void main(String args[]) throws IOException
{
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
System.out.println("Enter no. of Student:");
int n=Integer.parseInt(br.readLine());
Student p[]=new Student[n];
for(int i=0;i<n;i++)
{
System.out.print("Enter Name:");
String name=br.readLine();
System.out.print("Enter percentage:");
float per=Float.parseFloat(br.readLine());

p[i]=new Student(name,per);
p[i].counter();
}
Student.sortStudent(p,Student.count);
}
}

Output :