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Java practice #2

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Merged
kylewehrung merged 2 commits into from
Jul 22, 2023
Merged

Java practice #2

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cd4c4ea
Making it convert from inchs to centimeters as well
kylewehrung Jul 21, 2023
623e6cd
Can convert feet to centimeters and vice-versa!
kylewehrung Jul 21, 2023
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45 changes: 35 additions & 10 deletions ch03/Convert.java
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Original file line number Diff line number Diff line change
Expand Up @@ -12,16 +12,41 @@ public static void main(String[] args) {
final int IN_PER_FOOT = 12;
Scanner in = new Scanner(System.in);

// prompt the user and get the value
System.out.print("Exactly how many cm? ");
cm = in.nextDouble();

// convert and output the result
inches = (int) (cm / CM_PER_INCH);
feet = inches / IN_PER_FOOT;
remainder = inches % IN_PER_FOOT;
System.out.printf("%.2f cm = %d ft, %d in\n",
cm, feet, remainder);
System.out.print("Enter 1 to convert centimeters to feet and inches\n"
+ "Enter 2 to convert feet and inches to centimeters\n"
+ "Your choice: ");

int choice = in.nextInt();

if (choice == 1) {
System.out.print("Exactly how many cm? ");
cm = in.nextDouble();

if (cm < 0) {
System.out.print("Please enter a positive value for centimeters.");
} else {
inches = (int) (cm / CM_PER_INCH);
feet = inches / IN_PER_FOOT;
remainder = inches % IN_PER_FOOT;
inches = inches - (feet * IN_PER_FOOT);
System.out.printf("%.2f cm = %d ft, %d in\n", cm, feet, inches);
}
} else if (choice == 2) {
System.out.print("Enter feet: ");
feet = in.nextInt();
System.out.print("Enter inches: ");
inches = in.nextInt();

if (feet < 0 || inches < 0 || inches >= IN_PER_FOOT) {
System.out.println("Please enter valid and positive values for feet and inches.");
} else {
cm = (feet * IN_PER_FOOT + inches) * CM_PER_INCH;
System.out.printf("%d ft, %d in = %.2f cm\n", feet, inches, cm);
}
} else {
System.out.println("Invalid choice, please enter 1 or 2.");
}

}

}