import java.util.Arrays;
import java.util.Collections;
import java.util.Scanner;
public class Array1 {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
System.out.println("How many column do you need in array? : ");
int columnNum = scan.nextInt();
Integer[] array1 = new Integer[columnNum];
//*** ?: What is the difference between int and Integer???? ***///
System.out.print("\n");
for (int i = 0; i < columnNum; i++) {
array1[i] = (int) (Math.random() * 100);
System.out.println(i + " : " + array1[i]);
}
System.out.println("\n\n Sort in ascending order\n");
Arrays.sort(array1);
for (int i = 0; i < columnNum; i++) {
System.out.println(i + " : " + array1[i]);
}
System.out.println("\n\n Sort in descending order\n");
Arrays.sort(array1, Collections.reverseOrder());
for (int i = 0; i < columnNum; i++) {
System.out.println(i + " : " + array1[i]);
}
}
}