jimmy087

public class Exercise5_18 {
  public static void main (String[] args) {
		java.util.Scanner input = new java.util.Scanner(System.in);
		System.out.println("Number\tSquare Root");
		int number = 0;
		double squareRoot;
		for (int i = 0; i <= 20; i++) {
			squareRoot = Math.sqrt(number);
			System.out.println(number + "\t" + squareRoot);
			number++;

jimmy087

public class Exercise5_12 {
  public static void main (String[] args) {
		printChars ('1', 'z', 10);
	}

	public static void printChars(char ch1, char ch2, int numberPerLine) {
		// TODO Auto-generated method stub.
		int count = 1;
		for (int i = ch1; i <= ch2; i++,count++) {
			if (count % numberPerLine == 0) 

jimmy087

public class Exercise5_25 {
  public static void main(String[] args) {
		java.util.Scanner input = new java.util.Scanner(System.in);
		System.out.print("Please enter the amount of milliseconds to convert: ");
		long milliSeconds = input.nextLong();
		System.out.println(milliSeconds + " milliseconds in hours, minutes and seconds is " + ((convertMillis(milliSeconds) / 3600)
				+ " hours "+ ((convertMillis(milliSeconds) % 3600) / 60)  + " minutes " + ((convertMillis(milliSeconds) % 3600) % 60) + " seconds."));
	}

	private static long convertMillis(long milliSeconds) {

jimmy087

import java.util.Scanner;

// Displaying the first day of each month.

public class Exercise4_28 {
    public static void main (String[] args) {
        Scanner input = new Scanner(System.in);
        System.out.println("Please enter the year: ");
        int year = input.nextInt();
        System.out.println("Please enter the day number: ");

jimmy087

// Conversion of miles to kilometers.

public class Exercise4_4 {
    public static void main(String[] args){
        System.out.println("Miles       Kilometers");
        System.out.println("----------------------");
        int miles = 1;
        while (miles <= 10) {
            System.out.println(miles + "          " + miles * 1.609);
            miles++;

jimmy087

// Coversion of kilograms to pounds.

public class Exercise4_5 {
    public static void main (String[]  args){
        System.out.println("Kilograms       Pounds      Pounds       Kilograms");
        System.out.println("--------------------------------------------------");
        int kilograms = 1;
        int pounds = 20;
        int count = 1;
        while (count <= 100 ) {

jimmy087

// Prime numbers between 2 and 1000.
public class Exercise4_20 {
    public static void main (String[] args){
        int count = 0;
        int number = 2;
        while (number <= 1000) {
            boolean isPrime = true;
            for (int divisor = 2; divisor <= number / 2; divisor++) {
                if (number % divisor == 0) {
                    isPrime = false;

jimmy087

import java.util.Scanner;

// Loan amortization schedule.
public class Exercise4_22 {
    public static void main (String[] args) {
        Scanner input = new Scanner(System.in);
        System.out.println("Loan Amount: ");
        double loanAmount = input.nextDouble();
        System.out.println("Number of years: ");

jimmy087

import java.util.Scanner;

// Comparing loans with various interest rates.
public class Exercise4_21 {
    public static void main(String[] args) {
        java.util.Scanner input = new Scanner(System.in);
        System.out.println("Please enter the loan amount: ");
        int loanAmount = input.nextInt();
        System.out.println("Please enter the loan term: ");

jimmy087

import java.util.Scanner;

// Summation of a series.
public class Exercise4_23 {
    public static void main (String[] args) {
        Scanner input = new Scanner(System.in);
        double sum = 0;
        for (double i = 0; i <= 50000; i++) {
            sum += 1 / (i + 1);
        }