import java.io.*;

// This program demonstrates switch statement
// Switch works only for integers or characters

public class SwitchTest {

    public static void main (String [] args) throws IOException {
	// Create a buffered reader
	// need only one buffered reader for all your reading
	BufferedReader in = new BufferedReader(
			new InputStreamReader(System.in));
	// string for storing a line of input
	String line;

	// prompt the user:
        System.out.println("Which icecream would you like? Please enter");
	System.out.print("1 for vanilla, 2 for chocolate, 3 for strawberry: ");
	// read a line of input:
	line = in.readLine();
	// extract the integer from the entered data:
	int n = Integer.parseInt(line);
	String flavor = new String();

	switch(n) {
	case 1: 
	    flavor = new String(" vanilla ");
	    break;
	case 2:
	    flavor = new String(" chocolate ");
	    break; 
	case 3:
	    flavor = new String(" strawberry ");
	    break;
	default:
	    System.out.println("Wrong input");
	    System.exit(1);
	}
	// prompt the user:
        System.out.println("Which topping would you like? Please enter");
	System.out.print("M for M&Ms, S for sprinkles, C for chocolate chips");
	// read a line of input:
	line = in.readLine();
	// extract the integer from the entered data:
	char c = line.charAt(0);
	String topping = new String();

	switch(c) {
	case 'M': case 'm':
	    topping = new String(" M&Ms ");
	    break;
	case 'S': case 's':
	    topping = new String(" sprinkles ");
	    break; 
	case 'C': case 'c':
	    topping = new String(" chocolate chips ");
	    break;
	default:
	    System.out.println("Wrong input");
	    System.exit(1);
	}
	
	System.out.println("Here is your" + flavor + 
			   "icecream with" + topping);
    }
}

This is an example from CSci 1211 course.

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