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Solution.java

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import java.util.*;

class Student implements Comparable<Student>{

private int id;

private String fname;

private double cgpa;

public Student(int id, String fname, double cgpa) {

super();

this.id = id;

this.fname = fname;

this.cgpa = cgpa;

}

public int getId() {

return id;

}

public String getFname() {

return fname;

}

public double getCgpa() {

return cgpa;

}

public int compareTo(Student b) {

if (this.cgpa < b.getCgpa()) { return 1; }

if (this.cgpa > b.getCgpa()) { return -1; }

if (this.fname.compareTo(b.getFname()) == 0) {

if (this.id < b.getId()) { return -1; }

return 1;

}

return this.fname.compareTo(b.getFname());

}

}

//Complete the code

public class Solution

{

public static void main(String[] args){

Scanner in = new Scanner(System.in);

int testCases = Integer.parseInt(in.nextLine());

List<Student> studentList = new ArrayList<Student>();

while(testCases>0){

int id = in.nextInt();

String fname = in.next();

double cgpa = in.nextDouble();

Student st = new Student(id, fname, cgpa);

studentList.add(st);

testCases--;

}

Collections.sort(studentList);

for(Student st: studentList){

System.out.println(st.getFname());

}

}

}