Newbie question on java
 

Hi all,
The following code is compiling but giving error in case of executing.

<code>
import java.io.*;

public class File1
{
public static void main (String[] args)
{
String file_name;
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.print("Enter file name eg: (test.txt) ");
try
{
file_name = br.readLine(); // getting file name from user
InputStream fileIn = new FileInputStream(file_name);
File ff = new File(file_name);
long lon_size = ff.length(); //getiing the length of the file
int buff_size = (int)lon_size;
System.out.println("Size of File " + lon_size);
byte buff[] = new byte[buff_size];
int i = fileIn.read(buff);
String s = new String(buff);
System.out.println(s);
}
catch(FileNotFoundException e)
{
System.out.println("File not found.");
}
catch(IOException e)
{
e.printStackTrace();
}

} //main
}//class
</code>



The runtime error i am getting is

Exception in thread "main" java.lang.NoClassDefFoundError: File1

Plz clarigy my doubt

wating for ur replies,
C00000000000000L

To compile you would use: javac File1.java

To run it, you would type: java File1

If you still get a NoClassDefFoundError, try setting the classpath:

type "export CLASSPATH=<directory of File1.class file>"

and then running "java File1" again.

LinuxDave

and next time you post code, please put it between [ code ] and [/ code ] tags

Komakino, how do get the tags to show up in your post without them being processed as the actual tags?

I guess you use JCreator.
It impossible that JVM can't find main method
Try to set Build >Runtime Configuration > edit default
> you will see main text field and put the class that the main
main method exist to it >OK it should work !

He added spaces before and after the brackets.

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