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Solution.java
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65 lines (56 loc) · 1.44 KB
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// https://www.hackerrank.com/challenges/java-sort/problem
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 o) {
if (this.getCgpa() > o.getCgpa()) return -1;
else if (this.getCgpa() < o.getCgpa()) return 1;
else {
int c = this.getFname().compareTo(o.getFname());
if (c == 0) {
if (this.getId() > o.getId()) return -1;
else if (this.getId() < o.getId()) return 1;
else return 0;
}
else return c;
}
}
}
//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());
}
}
}