Mess up in code

Question

in the process of working on my code, I made an error somewhere.
    public static void main(String[] args)
          String f;
          float s;
          int q;
          int d;
          int n;
          int p;
          f = "dummy";
         BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
          System.out.println("what would you like to convert?");
          System.out.println("d:Dollars or c:Cents");
          System.out.println("ONLY d OR c. ANYTHING ELSE WILL SUMMON KILLER CODING NINJA MONKEYS");
          System.out.println("You have been warned. To continue voids your warranty on life.");
          try
               f = stdin.readLine();
          catch (IOException ioex)
               System.out.println("how did you get here? O.o");
          if (f == "d")
               System.out.println("don't forget the decimal");
               try
                    f = stdin.readLine();
                    s = Float.parseFloat("f");
               catch (IOException ioex)
                    System.out.println("i think its time to start over...");
                    System.exit(1);
          else if (f == "c")
               System.out.println("remember, you don't need decimals");
          else
               System.out.println("what do you think you are doing?");
}for some reason when I enter "d" into the prompt, it says the else section. I can't seem to figure out why it fails, so got any suggestions?
And also, is there anything better than a buffer reader to grab strings and integers?
Thanks,
Agito

Answer 1

agito wrote:
now it gives me
52: incompatible types
found   : java.lang.String
required: boolean
else if ( f = "c")
^
no use the "equals()" method:
else if (f.equals("c"))
  // ...  your code here
}