一维排序

package chen; import javax.swing.JOptionPane; public class Chen { /** * @param args */ public void paixu(){ 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;iarr[i]){ tem=arr[i]; arr[i]=arr[j]; arr[j]=tem; } } } for(int i=0;i='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 stub Chen pupu=new Chen(); pupu.paixu(); } }