public static void main(String args[]) {

Scanner input = new Scanner(System.in);

String name;

int roll_no, choice = 0;

int subs[] = new int[5];

while (choice != 3) {

System.out.print("\n\n\t\t\t***Menu***\n1)Enter Record\n2)Show all records\n3)Exit\n-:");

choice=input.nextInt();

switch (choice) {

case 1:

System.out.print("Enter Name :");

name = input.next();

System.out.print("Enter Roll Number :");

roll_no = input.nextInt();

for (int i = 0; i < subs.length; i++) {

System.out.print("Enter Marks :");

subs[i] = input.nextInt();

}

try {

FileWriter fr = new FileWriter("data.txt",true);

BufferedWriter writer = new BufferedWriter(fr);

writer.write("\n"+name+" "+Integer.toString(roll_no)+" ");

for (int j = 0; j < subs.length; j++) {

writer.write(Integer.toString(subs[j]));

writer.write(" ");

}

writer.close();

} catch (IOException e) {

System.out.println(e);

}

break;

case 2:

try {

int temp;

System.out.println("Name RollNo Sub1 Sub2 Sub3 Sub4 Sub5");

FileReader fr = new FileReader("data.txt");

BufferedReader reader = new BufferedReader(fr);

while ((temp = reader.read()) != -1) {

System.out.print((char) temp);

}

reader.close();

} catch (IOException e) {

System.out.println(e);

}

break;

default:

break;

}

}

input.close();

}

}