Arrays 클래스를 이용한 배열 정렬 011

import java.util.Arrays;
import java.util.Comparator;

public class ArraysTest012 {
public static void main(String[] args) {
String[] strAr = {"한사람","두사람","세사람","네사람"};
System.out.println(Arrays.toString(strAr));
Arrays.sort(strAr);
System.out.println(Arrays.toString(strAr));


Arrays.sort(strAr, new Comparator<String>() {
public int compare(String obj1, String obj2) {
return -obj1.compareTo(obj2);
}
});
System.out.println(Arrays.toString(strAr));
}
}

import java.util.Arrays;

import java.util.Comparator;

public class ArraysTest013 {

public static void main(String[] args) {

Integer[] intAr = {23,12,45,64,23,41,53};

System.out.println(Arrays.toString(intAr));

Arrays.sort(intAr);

System.out.println(Arrays.toString(intAr));

Arrays.sort(intAr, new Comparator<Integer>() {

public int compare(Integer obj1, Integer obj2) {

return obj2-obj1;

}

});

System.out.println(Arrays.toString(intAr));

}

}