testsplitstring.java

来自「常见面试题」· Java 代码 · 共 59 行

package string;
class SplitString 
{
 private String str;
 private int byteNum;
 public static void main(String args[])
 {
  String str="我ABC汉DEF";
  int num=7;
  SplitString sptstr = new SplitString(str,num);
  sptstr.splitIt();
 }
 public SplitString(){}

 public SplitString(String str,int byteNum)
 {
  this.str=str;
  this.byteNum=byteNum;

 }
 
 public void splitIt()
 {

  byte bt[]=str.getBytes();
  System.out.println("Length of this String ===>"+bt.length);
  if(byteNum>1)
  {
   if(bt[byteNum]<0)
   {
    String substrx=new String(bt,0,--byteNum);
    System.out.println(substrx);
   }else
   {
    String substrex=new String(bt,0,byteNum);
    System.out.println(substrex);
   }
   
  }else
  { 
   if(byteNum==1)
   {
    if(bt[byteNum]<0)
    {
     String substr1=new String(bt,0,++byteNum);
     System.out.println(substr1);
    }else
    { 
     String subStr2=new String(bt,0,byteNum);
     System.out.println(subStr2);
    }
   }else
   {
    System.out.println("输入错误！！！请输入大于零的整数：");
   }
  }
 }
}