title: Switch Statement Help me Please
body: <p>I'm kinda new to this but? can anyone correct my first switch statement? I dont know what expression to use to start the case a:</p>
  
  <p>and im not even sure if the starting declarations are even correct</p>
  
  <pre><code>    import java.io.*;
      public class SwitchDemo {
      public static void main(String[] args) {
  
  
      BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
      String input= br.readLine();
  
      System.out.println("Press Enter");
      System.out.println("a.Hello: Asks the name of the user.");
      System.out.println("b.Array: Input elements and search for a specified key and prints a     message.");
      System.out.println("c.MagicSquare: Displays [7][7] magic square.");
      System.out.println("d.Bubble Sort: Alphabetically sorts 20 employees using bubble sort.");
      System.out.println("e.Selection Sort: Alphabetically sorts 20 employees using selection sort");
      System.out.println("f.Insertion Sort: Alphabetically sorts 20 employees using Insertion sort");
      System.out.println("g.Factorial: Run the Factorial application");
      System.out.println("h.Triangle: Run the Triangle application."); 
      System.out.println("i.MergeSort: Performs the mergesort of a two class databasse.");
      System.out.println("j.Stack_1: Perform reversal of string.");
      System.out.println("k.Stack_2: Perform Infix Notation");
      System.out.println("l.Postfix: Perform Postfix Notation");
      System.out.println("m.Linked List");
     System.out.println("n.Queue:");
     System.out.println("o.Exit:");
  
          switch (input) {
              case a:
  
              String usersName;     
             String upperCaseName;  
  
             TextIO.put("Please enter your name: ");
             usersName = TextIO.getln();
  
             upperCaseName = usersName.toUpperCase();
  
             TextIO.putln("Hello, " + upperCaseName + ", nice to meet you!");
  
  
                       break;
              case b: 
          // Code for b execution here. Run array.
                       break;
              case c:  
          // Code for c execution here. magicsquare.
                       break;
              case d: 
          // Code for d execution here. Bubble sort.
                       break;
              case e:  
          // Code for e execution here. selection sort.
                       break;
              case f: 
          // Code for f execution here. insertion sort.
                       break;
              case g:  
          // Code for g execution here. recursion.
                       break;
              case h:  
          // Code for h execution here. mergesort.
                       break;
              case i:  
          // Code for b execution here. stack1.
                       break;
              case j: 
          // Code for b execution here. stack2.
                       break;
              case k: 
          // Code for b execution here. link list.
                       break;
              default: 
          System.out.println("Please input selection from a-o");
                       break;
          }
  
      }
  }
  </code></pre>