isdec.java

java学习的一些运行实例！我觉得瞒有用

import java.io.*;  
public class IsDec { 
  public static void main(String args[]) {     
      int a = Integer.parseInt(args[0]); 
      boolean flag=true; 
      int last = a % 10;   
     while ((a>9) && flag) { 
           a = a / 10;       
          int pre = a % 10;  
          if (last > pre)
                flag = false; 
          last = pre;        
     } 
     if (flag) 
       System.out.println("yes"); 
     else 
       System.out.println("no"); 
  } 
}