the variable only have it value inside while loop?

Posted by user1834467 on Stack Overflow See other posts from Stack Overflow or by user1834467
Published on 2012-11-19T04:50:52Z Indexed on 2012/11/19 5:00 UTC
Read the original article Hit count: 117

Filed under:
|
static void parse(String fileName) throws IOException{
    FileReader fileReader=new FileReader((fileName));
    BufferedReader bufferedReader = new BufferedReader(fileReader);
    StringBuilder stringBuilder=new StringBuilder();
    String string;
    StringBuilder myString = null;
    while((string = bufferedReader.readLine()) != null) {                
        myString =stringBuilder.append(string);
        String h=myString.toString();
        **System.out.println(h);**
        }

    }




static void parse(String fileName) throws IOException{
    FileReader fileReader=new FileReader((fileName));
    BufferedReader bufferedReader = new BufferedReader(fileReader);
    StringBuilder stringBuilder=new StringBuilder();
    String string;
    StringBuilder myString = null;
    while((string = bufferedReader.readLine()) != null) {                 
        myString =stringBuilder.append(string);
        String h=myString.toString();
       }

       **System.out.println(h);**  
    }

when I try the second part of the code, it print out nothing. how can I get the whole h String outside of the while loop? Is it I have to declare the variable h as instance variable instead of local variable?

© Stack Overflow or respective owner

Related posts about java

Related posts about variables