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import java.util.*;
public class Primes2 {
public static void main(String[] args) {
Integer[] primes = {2, 7, 5, 3};
MySort ms = new MySort();
Arrays.sort(primes, ms);
for(Integer p2: primes)
System.out.print(p2 + " ");
}
static class MySort implements Comparator {
public int compare(Integer x, Integer y) {
return y.compareTo(x);
}
}
}

Main.java:2: error: class Primes2 is public, should be declared in a file named Primes2.java
public class Primes2 {
       ^
Main.java:10: error: MySort is not abstract and does not override abstract method compare(Object,Object) in Comparator
static class MySort implements Comparator {
       ^
Note: Main.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
2 errors

Standard output is empty