Multiple choices 25/50
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What is the output of the following program?
import java.util.*;
class Pen implements Comparable<Pen> {
String color; int price;
Pen(String color, int price) { this.color=color; this.price=price; }
public String toString() { return("("+color+","+price+") "); }
public int compareTo(Pen x) {
}
}
int k
=
color.compareTo(x.color);if(k!=0) return(-k);
return(x.price - price);
public class Main {
public static void main(String[] args) {
List<Pen> t = new ArrayList<>();
t.add(new Pen("B", 3));
t.add(new Pen("C",4));
t.add(new Pen("D", 7));
t.add(new Pen("C",5));t.add(new Pen("A",6));
Collections.sort(t);
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