String.valueOf()

public class Test
{
    public static void main(String[] args)
    {
        int j=1234567;
        String sNumber=String.valueOf(j);
        System.out.println("j是" + sNumber.length() + "位数。");// j是7位数。           
    }    
}

 1 public class Test
 2 {
 3     public static void main(String[] args)
 4     {
 5         int j=1234567;
 6         String sNumber=String.valueOf(j);
 7         System.out.println("j是" + sNumber.length() + "位数。");
 8         
 9         String s="Mary,F,1976";
10         String[] sPlit=s.split(",");
11         for (int i=0;i<sPlit.length;i++)
12         {
13             System.out.println(sPlit[i]);
14             //Mary
15             //F
16             //1976
17         }            
18     }    
19 }