TheLouisHong

public class PrintOneOverN {

  public static void main(String[] args) {
		int finalDinominator = 20;
		for (double i = 1; i <= finalDinominator; i++) {
			System.out.println(1d/i);
		}
	}

}

TheLouisHong

import java.util.Scanner;

public class CharCheck {

  public static void main(String[] args) {
		Scanner keyboard = new Scanner(System.in);
		System.out.println("Begin!");
		while (true) {
			char input = keyboard.next().charAt(0);
			if (isDigit(input)){

TheLouisHong

package com.louishong;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.lang.reflect.Field;

public class ReadFile{