🚀 go-pugleaf

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/*******************************************************
// ReadFile.java
import java.io.*;

public class ReadFile {
 // Filename is declear here
 public String FileName;

 //Default Init ReadFile
 ReadFile(){
  System.out.println("Your must input the name of the file!");
 }
 //Init ReadFile
 ReadFile(String Filename) {
  byte buff[] = new byte[80];
  try {
   InputStream filein = new FileInputStream(FileName);
   int i = filein.read(buff);
   String s = new String(buff);
   System.out.println(s);
   filein.close();
  } catch (FileNotFoundException e) {
   System.out.println("File not found!");
  } catch (IOException e) {
  }
 }
}

/*******************************************************
//ReadFileApp.java
package mosaic;

public class ReadFileApp {

 public static void main(String[] args) {
  String f1 = new String("file1.txt");
  ReadFile rf = new ReadFile(f1);
 }
}
/*******************************************************

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java.lang.NullPointerException
 at java.io.FileInputStream.open(Native Method)
 at java.io.FileInputStream.<init>(FileInputStream.java:103)
 at java.io.FileInputStream.<init>(FileInputStream.java:66)
 at mosaic.ReadFile.<init>(ReadFile.java:27)
 at mosaic.ReadFileApp.main(ReadFileApp.java:17)
Exception in thread "main"
/******************************************************
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