Use java programing create an ObjectInsertionSorter class that can sort Comparable objects. Demonstrate the class in a program that sorts an array of String objects.
Use java programing create an ObjectInsertionSorter class that can sort Comparable objects. Demonstrate the class in a program that sorts an array of String objects.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
Use java programing create an ObjectInsertionSorter class that can sort Comparable objects. Demonstrate the class in a program that sorts an array of String objects.
Expert Solution
Step 1
import java.util.*;
class Checker implements Comparator<Player>{
public int compare(Player a,Player b){
if(a.score == b.score){
return a.name.compareTo(b.name);
}
else
return b.score-a.score;
}
}
class Player{
String name;
int score;
Player(String name, int score){
this.name = name;
this.score = score;
}
}
class ObjectInsertionSorter {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
int n = scan.nextInt();
Player[] player = new Player[n];
Checker checker = new Checker();
for(int i = 0; i < n; i++){
player[i] = new Player(scan.next(), scan.nextInt());
}
scan.close();
Arrays.sort(player, checker);
for(int i = 0; i < player.length; i++){
System.out.printf("%s %s\n", player[i].name, player[i].score);
}
}
}
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