Java Tutorial


class  RWRandInt
    public static void main(String[] args) 
               FileOutputStream fos = new FileOutputStream(\"RandData.txt\");
               DataOutputStream dos = new DataOutputStream(fos);

               for (int i=0;i<20 ;i++ )  //for writing 20 integers to RandData.txt file
                    dos.writeInt((int)Math.random() * 100);

               //For Reading Data
               FileInputStream fis = new FileInputStream(\"RandData.txt\");
               DataInputStream dis = new DataInputStream(fis);
               for (int i=0;i<20 ;i++ )
                    int n = dis.readInt();
                   System.out.print(n + \"  \");
             }catch(Exception e) {}

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