title: Cannot find symbol saying Implemented interface not found
body: <p>I developed  very basic java interface(code 1.) named Printable and a java class named HighPrint (Code 2)which Implements the Printable interface and override the relevant methods. Interface developed in source file called Printable.java and class developed in source file HighPrint.java. I compiled the Printable.java successfully. But When I try to compile the HighPrint.java  it gives a compile error as follow.</p>
  
  <pre><code>ERROR
  ======
  java:2:cannot find symbol 
  symbol:class Printable
  public class HighPrint implements Printable {
                                ^
  </code></pre>
  
  <p>Following shows the codes </p>
  
  <pre><code>//Code 1 
  
  package printing;
  
  interface Printable{
    public void print(String val);
  }
  
  //Code 2
  
  package printing;
  import printing.Printable;
  public class HighPrint implements Printable {
    public void printX(){
      System.out.print("X");
    }
  }
  </code></pre>
  
  <p>Please Note that I am using the windows 7 64 bit OS, jre 7, jdk 1.6.0_23 and java update 7</p>