import java.util.Scanner;
class ThankYouCard {
	private void PrintThankYou() {
		Scanner input = new Scanner(System.in);
		System.out.println("THANK YOU CARD GENERATOR 1.2");
		System.out.println("CHOICES:\nThank you very much for the [gift]! I really liked it! (1)\nThanks for the [gift]! (2)\nAmazing gift. Thank you! (3)\nAll notes start with Dear [name],\nThe bottom is signed with [signature] which is your name.");
		System.out.println("Enter the item you received as a gift:");
		String gift = input.nextLine();
		System.out.println("Enter the name of the person you received the gift from:");
		String name = input.nextLine();
    System.out.println("Enter your name to sign the bottom:");
    String signature = input.nextLine();
		String instructions = "Copy and paste the output below CTRL-Shift-V";
		System.out.println("Look at the choices. Enter the number you want.");
		int choice = input.nextInt();

		switch(choice)  {

		case 1:
		System.out.println(instructions);
		System.out.println("Dear " + name + ",");
		System.out.println("Thank you very much for the " + gift + "! I really liked it!");
		System.out.println("Love, " + signature);
		break;

		case 2:
		System.out.println(instructions);
		System.out.println("Dear " + name + ",");
		System.out.println("Thanks for the " + gift + "!");
		System.out.println("Love, " + signature);
		break;

		case 3:
		System.out.println(instructions);
		System.out.println("Dear " + name + ",");
		System.out.println("Amazing gift! Thank you!");
		System.out.println("Love, " + signature);
		break;

		default:
		System.out.println("You did not enter a valid choice.");
		break;
		}
	}
	public static void main(String[] args) {
		ThankYouCard printProgram = new ThankYouCard();
		printProgram.PrintThankYou();
	}
}

import java.util.Scanner;
class ThankYouCard {
	private void PrintThankYou() {
		Scanner input = new Scanner(System.in);
		System.out.println("THANK YOU CARD GENERATOR 1.2");
		System.out.println("CHOICES:\nThank you very much for the [gift]! I really liked it! (1)\nThanks for the [gift]! (2)\nAmazing gift. Thank you! (3)\nAll notes start with Dear [name],\nThe bottom is signed with [signature] which is your name.");
		System.out.println("Enter the item you received as a gift:");
		String gift = input.nextLine();
		System.out.println("Enter the name of the person you received the gift from:");
		String name = input.nextLine();
		System.out.println("Enter your name to sign the bottom:");
		String signature = input.nextLine();
		String instructions = "Copy and paste the output below CTRL-Shift-V";
		System.out.println("Look at the choices. Enter the number you want.");
		int choice = input.nextInt();

		switch(choice)  {

		case 1:
		System.out.println(instructions);
		System.out.println("Dear " + name + ",");
		System.out.println("Thank you very much for the " + gift + "! I really liked it!");
		System.out.println("Love, " + signature);
		break;

		case 2:
		System.out.println(instructions);
		System.out.println("Dear " + name + ",");
		System.out.println("Thanks for the " + gift + "!");
		System.out.println("Love, " + signature);
		break;

		case 3:
		System.out.println(instructions);
		System.out.println("Dear " + name + ",");
		System.out.println("Amazing gift! Thank you!");
		System.out.println("Love, " + signature);
		break;

		default:
		System.out.println("You did not enter a valid choice.");
		break;
		}
	}
	public static void main(String[] args) {
		ThankYouCard printProgram = new ThankYouCard();
		printProgram.PrintThankYou();
	}
}

Fix formatting