assignments/Keypad.java at master · Arewa100/assignments · GitHub

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import java.util.Scanner;

public class Keypad {
	public static void main(String[] args) {
		System.out.println("Welcome to my kepad tester");

	Scanner input = new Scanner(System.in);

		//declaring variable
		char button;

		System.out.println("Enter the any alphabet");
			button = input.next().charAt(0);

		switch(button) {
			case '.':
			case ',':

				System.out.println("the corresponding number is 1");
				break;
			case 'A':
			case 'a':
			case 'B':
			case 'b':
			case 'C':
			case 'c':
				System.out.println("the corresponding number is 2");
				break;

			case 'D':
			case 'd':
			case 'E':
			case 'e':
			case 'F':
			case 'f':
				System.out.println("the corresponding number is 3");
				break;
			case 'G':
			case 'g':
			case 'H':
			case 'h':
			case 'I':
			case 'i':
				System.out.println("the corresponding number is 4");
				break;
			case 'J':
			case 'j':
			case 'K':
			case 'k':
			case 'L':
			case 'l':
				System.out.println("the corresponding number is 5");
				break;
			case 'M':
			case 'm':
			case 'N':
			case 'n':
			case 'O':
			case 'o':
				System.out.println("the corresponding number is 6");
				break;
			case 'P':
			case 'p':
			case 'Q':
			case 'q':
			case 'R':
			case 'r':
			case 'S':
			case 's':
				System.out.println("the corresponding number is 7");
				break;
			case 'T':
			case 't':
			case 'U':
			case 'u':
			case 'V':
			case 'v':
				System.out.println("the corresponding number is 8");
				break;
			case 'W':
			case 'w':
			case 'X':
			case 'x':
			case 'Y':
			case 'y':
			case 'Z':
			case 'z':
				System.out.println("the corresponding number is 9");
				break;

			case '*':

				System.out.println("the corresponding symbol * ");
				break;

			case '+':
			case '-':

				System.out.println("the corresponding symbol 0 ");
				break;

			case '#':
				System.out.println("the corresponding symbol # ");
				break;
			default:
				System.out.println("welcome");

}
}
}