9일 차 정렬

import java.util.Arrays;

class ArrayManager {

private int[] arrm;

public int[] getArrm() {

return arrm;

}

public void setArrm(int[] arrm) {

this.arrm = arrm;

}

@Override

public String toString() {

return "ArrayManager [arrm=" + Arrays.toString(arrm) + "]";

}

public ArrayManager(int i) {

arrm = new int[i];

for (int j = 0; j < arrm.length; j++) {

arrm[j] = (int) ((Math.random() * 10) + 1);

}

}

public void sortAsc() {

int temp;

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

for (int j = i + 1; j < arrm.length; j++) {

if (arrm[i] > arrm[j]) {

temp = arrm[i];

arrm[i] = arrm[j];

arrm[j] = temp;

}

}

}

}

public void sortDesc() {

int temp;

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

for (int j = i + 1; j < arrm.length; j++) {

if (arrm[i] < arrm[j]) {

temp = arrm[i];

arrm[i] = arrm[j];

arrm[j] = temp;

}

}

}

}

}

import java.util.Scanner;

public class Test9 {

public static void main(String[] args) {

// TODO Auto-generated method stub

int io;

Scanner scan = new Scanner(System.in);

System.out.println("배열은 몇개 인가요");

io = scan.nextInt();

ArrayManager arm, arm2, arm3, temp;

arm = new ArrayManager(io);

temp = arm;

System.out.println();

System.out.println(arm);

arm2 = arm;

arm2.sortAsc();

System.out.println(arm2);

arm3 = arm;

arm3.sortDesc();

System.out.println(arm3);

}

}

1번째는 랜덤

2번째는 오름차순

3번째는 내림차순