一位数组（打印分开）

package chen;import javax.swing.JOptionPane;public class Chen {/** * @param args */public void paixu(){ Chen pupu=new Chen(); String numString=this.shuru("请输入要排序的个数","排序",1); Integer num = Integer.parseInt(numString); int[] arr=new int[num]; for(int i=0;i<num;i++) { String bString =shuru("请输入"+num+"个数:","排序",1); Integer b = Integer.parseInt(bString); arr[i]=b; }System.out.println("/n从小到大排序后：");int temp=0;for(int i=0;i<num;i++){for(int j=i+1;j<num;j++){if(arr[j]<arr[i]){temp=arr[i];arr[i]=arr[j];arr[j]=temp;}}pupu.print(arr);}System.out.println("/n从大到小排序后：");int tem=0;for(int i=0;i<num;i++){for(int j=i+1;j<num;j++){if(arr[j]>arr[i]){tem=arr[i];arr[i]=arr[j];arr[j]=tem;}}pupu.print(arr);}}public void print(int[] arr){for(int i=0;i<arr.length;i++){System.out.print(arr[i]+", ");}}public boolean isNum(String str) {for (int i =0;i<str.length();i++) {int chr = str.charAt(i); if ((chr >='0' && chr<= '9')||chr=='-')return true;}return false;}public String shuru(String text, String title, int i) {String inputWord = "";while (!isNum(inputWord)) {inputWord = JOptionPane.showInputDialog(null, text, title, i);if (inputWord == null) {System.exit(0);}}return inputWord;}public static void main(String[] args) {// TODO Auto-generated method stubChen pupu=new Chen(); pupu.paixu(); }}