ByteArrayInputStream(字节数组输入流) 示例

import java.io.*;
class ByteArrayInputStreamDemo{
 public static void main(String[] args)
 {
  String strTmp = "ShengJiahui";
  byte b[] = strTmp.getBytes();
  ByteArrayInputStream in = new ByteArrayInputStream(b);

  for(int i=0;i<2;i++){
   int c;
   while((c=in.read())!=-1){
    if(i==0){
     System.out.print((char)c); 
    }else{
     System.out.print(Character.toUpperCase((char)c));
    }
   }
   System.out.println();
   in.reset();
  }
 }
}