How to convert byte into string

can any tell me how to convert byte into string
when im an debugging thid code in eclipse it shows the result in integer format instead of string but in command prompt it is showing result in string format..........plz help
package str;
import java.io.*;
public class Testfile {
public static void main(String rags[])
byte b[]=new byte[100];
try{
FileInputStream file=new FileInputStream("abc.txt");
file.read(b,0,50);
catch(Exception e)
     System.out.println("Exception is:"+e);
System.out.println(b);
String str=new String(b);
System.out.println(str);
}

Namrata.Kakkar wrote:
errors: count cannot be resolved and Unhandled exception type Unsupported Encoding Exception.
If i write an integer value instead of "count" then Unhandled exception type Unsupported Encoding Exception error is left.This is elementary. You need to go back to [http://java.sun.com/docs/books/tutorial/|http://java.sun.com/docs/books/tutorial/] .

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