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No commits in common. "0644186bce820a8f798129ee02b02c34c54b0af5" and "a88cb9a6ed16e9c446cd6ad472f7505ecdd046a6" have entirely different histories.
0644186bce
...
a88cb9a6ed
25 changed files with 6 additions and 510 deletions
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|
@ -1,8 +0,0 @@
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<?xml version="1.0" encoding="UTF-8"?>
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@ -1,74 +0,0 @@
|
|||
import java.util.Scanner;
|
||||
|
||||
public class TempConverter {
|
||||
|
||||
// Define methods to convert each temperature
|
||||
|
||||
// Celsius to Fahrenheit
|
||||
static double celToFar(double c) { return (c * 9.0 / 5.0) + 32; }
|
||||
|
||||
// Fahrenheit to Celsius
|
||||
static double farToCel(double f) { return (f - 32) * 5.0 / 9.0; }
|
||||
|
||||
public static void main(String[] args){
|
||||
|
||||
// Initialize scanner to take input
|
||||
Scanner scanner = new Scanner(System.in);
|
||||
|
||||
// Styled header just to make things pretty
|
||||
System.out.println("=== Welcome to the Temperature Converter ===");
|
||||
|
||||
|
||||
// Create a loop so we can build in error checking
|
||||
while(true) {
|
||||
// Ask user which option they want to convert
|
||||
System.out.print("Which do you want to convert? (C) or (F): ");
|
||||
|
||||
// trim and convert to lower to make sure grab answer whether capitalized or not
|
||||
String choice = scanner.nextLine().trim().toLowerCase();
|
||||
|
||||
if(!choice.equals("c") && !choice.equals("f") ){
|
||||
System.out.println("Invalid Choice. Please enter C or F.");
|
||||
continue;
|
||||
}
|
||||
// Check which option the user entered
|
||||
boolean isCelsius = choice.equals("c");
|
||||
String fromUnit = isCelsius ? "C" : "F";
|
||||
String toUnit = isCelsius ? "F" : "C";
|
||||
|
||||
// Ask for a temperature to convert
|
||||
System.out.printf("Enter a temperature in %s: ", fromUnit);
|
||||
|
||||
double temperature;
|
||||
|
||||
// make sure a valid number is input
|
||||
try {
|
||||
temperature = Double.parseDouble(scanner.nextLine());
|
||||
}
|
||||
catch (NumberFormatException e) {
|
||||
System.out.println("Invalid Temperature. Please enter a number");
|
||||
continue;
|
||||
}
|
||||
|
||||
// use ternary to convert temperature ine one line
|
||||
double newTemp = isCelsius ? celToFar(temperature) : farToCel(temperature);
|
||||
|
||||
// Print out the resulting converted temperature
|
||||
System.out.printf("%.1f°%s is %.1f°%s\n", temperature, fromUnit, newTemp, toUnit);
|
||||
|
||||
// Check if user wants to convert another
|
||||
System.out.print("Convert another? (y/n): ");
|
||||
|
||||
// Treat anything other than a "y" as a No.
|
||||
if(!scanner.nextLine().trim().equalsIgnoreCase("y")){
|
||||
System.out.println("\n--- Thanks for using the Temperature Converter!! ---");
|
||||
break;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// Close scanner so we dont leave resources open
|
||||
scanner.close();
|
||||
|
||||
}
|
||||
}
|
||||
|
|
@ -1,62 +0,0 @@
|
|||
import java.util.Scanner;
|
||||
|
||||
public class TrueFalse {
|
||||
|
||||
public static void main(String[] args) {
|
||||
|
||||
Scanner scanner = new Scanner(System.in);
|
||||
|
||||
// ternary operator ! = Return 1 of 2 values if a condition is true
|
||||
|
||||
// variable =(condition) ? ifTrue : ifFalse;
|
||||
|
||||
// ---------------
|
||||
// Lets create a grade checker using old methods
|
||||
|
||||
/*
|
||||
// declare variables
|
||||
|
||||
// Get grade from student
|
||||
System.out.println("Enter your grade: ");
|
||||
int grade = Integer.parseInt(scanner.nextLine());
|
||||
|
||||
// Check if grade is passing or not
|
||||
if(grade >= 60) {
|
||||
System.out.println("PASS");
|
||||
}
|
||||
else {
|
||||
System.out.println("FAIL");
|
||||
}
|
||||
*/
|
||||
|
||||
// ---------------
|
||||
|
||||
|
||||
// ---------------
|
||||
// Lets use ternary method to do the same thing in half the lines of code
|
||||
|
||||
|
||||
// Get grade from student
|
||||
System.out.println("Enter your grade: ");
|
||||
int grade = Integer.parseInt(scanner.nextLine());
|
||||
|
||||
String passOrFail = (grade >= 60) ? "PASS" : "FAIL";
|
||||
|
||||
System.out.println(passOrFail);
|
||||
|
||||
|
||||
|
||||
// ---------------
|
||||
|
||||
// Lets use ternary to check if a number is even or odd
|
||||
System.out.println("Enter a number: ");
|
||||
int number = Integer.parseInt(scanner.nextLine());
|
||||
|
||||
String evenOrOdd = (number % 2 == 0) ? "EVEN" : "ODD";
|
||||
|
||||
System.out.println(evenOrOdd);
|
||||
|
||||
|
||||
scanner.close();
|
||||
}
|
||||
}
|
||||
|
|
@ -1,59 +0,0 @@
|
|||
import java.util.Scanner;
|
||||
|
||||
public class WeightConverter {
|
||||
|
||||
public static void main(String[] args) {
|
||||
|
||||
// Weight conversion program
|
||||
Scanner scanner = new Scanner(System.in);
|
||||
|
||||
// Declare variables
|
||||
String choice;
|
||||
int weight;
|
||||
double converted;
|
||||
|
||||
// Welcome message
|
||||
System.out.println("Welcome to the weight converter!\n");
|
||||
|
||||
// Prompt for user choice
|
||||
System.out.println("Choose: ");
|
||||
System.out.println("Option 1 Lbs -> Kgs (1)");
|
||||
System.out.println("Option 2 Kgs -> Lbs (2)\n");
|
||||
|
||||
choice = scanner.nextLine();
|
||||
|
||||
// option 1 convert lbs tp kgs
|
||||
if (choice.equals("1")){
|
||||
|
||||
// get the weight input from user
|
||||
System.out.println("Enter the weight in lbs: ");
|
||||
weight = Integer.parseInt(scanner.nextLine());
|
||||
|
||||
// convert the weight and print out the result
|
||||
converted = (weight * 1.0 / 2.205);
|
||||
System.out.printf("%d lbs is %.2f kgs.", weight, converted);
|
||||
|
||||
|
||||
|
||||
} // option 2 convert kgs to lbs
|
||||
else if(choice.equals("2")){
|
||||
|
||||
// get the weight input from user
|
||||
System.out.println("Enter the weight in kgs: ");
|
||||
weight = Integer.parseInt(scanner.nextLine());
|
||||
|
||||
// convert the weight and print out the result
|
||||
converted = (weight * 1.0 * 2.205);
|
||||
System.out.printf("%d kgs is %.2f lbs.", weight, converted);
|
||||
|
||||
|
||||
} //else print not a valid choice
|
||||
else {
|
||||
System.out.println("Not a valid choice. Try again");
|
||||
}
|
||||
|
||||
scanner.close();
|
||||
|
||||
|
||||
}
|
||||
}
|
||||
|
|
@ -1,6 +1,6 @@
|
|||
import java.util.Scanner;
|
||||
|
||||
public class CompoundInterest {
|
||||
public class compoundInterest {
|
||||
|
||||
public static void main(String[] args) {
|
||||
|
||||
|
|
@ -1,6 +1,6 @@
|
|||
import java.util.Scanner;
|
||||
|
||||
public class IfStatements {
|
||||
public class ifStatements {
|
||||
public static void main(String[] args) {
|
||||
|
||||
Scanner scanner = new Scanner(System.in);
|
||||
|
|
@ -1,6 +1,6 @@
|
|||
import java.util.Scanner;
|
||||
|
||||
public class MadLibs {
|
||||
public class madLibs {
|
||||
|
||||
public static void main(String[] args){
|
||||
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
public class PrintF {
|
||||
public class printF {
|
||||
|
||||
public static void main(String[] args){
|
||||
String name = "Spongebob";
|
||||
|
|
@ -1,7 +1,7 @@
|
|||
import java.util.Random;
|
||||
import java.util.Scanner;
|
||||
|
||||
public class RandomNums {
|
||||
public class randomNums {
|
||||
public static void main(String[] args) {
|
||||
|
||||
Random random = new Random();
|
||||
|
|
@ -1,6 +1,6 @@
|
|||
import java.util.Scanner;
|
||||
|
||||
public class ShoppingCart {
|
||||
public class shoppingCart {
|
||||
|
||||
public static void main(String[] args){
|
||||
|
||||
|
|
@ -1,42 +0,0 @@
|
|||
import java.util.Scanner;
|
||||
|
||||
public class substrings {
|
||||
|
||||
public static void main(String[] args){
|
||||
|
||||
Scanner scanner = new Scanner(System.in);
|
||||
|
||||
|
||||
// .substring() is a method used to extract a portion of a string.
|
||||
// You use it by giving a start and end position.
|
||||
// Example: string.substring(start, end)
|
||||
|
||||
while (true) {
|
||||
// Have user enter their email
|
||||
System.out.print("Enter an email: ");
|
||||
String email = scanner.nextLine();
|
||||
|
||||
// Check if its a valid email (Contains @ symbol)
|
||||
if(email.contains("@")){
|
||||
// find the index position of the @ symbol
|
||||
int index = email.indexOf("@");
|
||||
|
||||
// find the domain address of their email
|
||||
String domain = email.substring(index + 1);
|
||||
|
||||
String username = email.substring(0, index);
|
||||
|
||||
System.out.println("Your username is " + username);
|
||||
System.out.println("Your email domain is " + domain);
|
||||
break;
|
||||
|
||||
} else {
|
||||
System.out.println("Please enter a valid email address!\n");
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
scanner.close();
|
||||
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue