배열 정렬

package education.sort;

import java.util.Arrays;

public class SortEx1 {

public static void main(String[] args) {

int[] num = {3,7,4,9,2,6,5,8,1};

for(int i=0; i<num.length; i++) {

System.out.print(num[i]);

} System.out.println();

Arrays.sort(num);

for(int i=0; i<num.length; i++) {

System.out.print(num[i]);

}

}

}