Cannot find symbol saying Implemented interface not found
<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>
