response to infinite loop

double[] numbers = new double[6];
for (int count = 0; count < 6; count++) {
    while (true) {
    switch(count) {
                case 0: System.out.print("Enter value of a: ");
                case 1: System.out.print("Enter value of b: ");
                case 2: System.out.print("Enter value of c: ");
                case 3: System.out.print("Enter value of d: ");
                case 4: System.out.print("Enter value of e: ");
                case 5: System.out.print("Enter value of f: ");
        }
    try {
        InputStreamReader in= new InputStreamReader(System.in);
        BufferedReader input = new BufferedReader(in);
            String str;
            System.out.print("Write something here and press Enter:");

        while ((str = input.readLine()) != null) { System.out.println(str); }
    } catch (IOException io) {io.printStackTrace(); }
    numbers[count] = Double.parseDouble(str);
    }
}