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Java Java Objects (Retired) Harnessing the Power of Objects Methods and Constants

Yael P.
Yael P.
2,816 Points

Declaring new variable and got error "Cannot find symbol"

I've read all questions related to this, but still I can't figure out how to solve this.

My code - PezDispenser.java:

public class PezDispenser {

  // creating an object with size 12
    // final = no one can change this value
    public final int MAX_PEZ = 12;

    // private = if you are not the class you can access this use get method
    private String mCharacterName;

    // making a contractor with 1 argument
    public PezDispenser(String characterName) {
    // Use of "m" before characterName to define it as a member
    mCharacterName = characterName;
    }

    // properties
    public String getCharacterName() {
    return mCharacterName;

    }
  // jave-repl
  // :load - explore object by loading X.java file such as :load PezDispenser.java
}

Exmaple.java

public class Example {

    public static void main(String[] args) {
        // Your amazing code goes here...
      System.out.println("We are a making a new Pez Dispenser.");
      PezDispenser dispenser = new PezDispenser("Yael");
      System.out.printf("This dispenser character is %s\n", dispenser.getCharacterName());
    }
}

when using java-repl, loading works fine, creating new variable throw this error:

We are a making a new Pez Dispenser.                                                                                                                                         
This dispenser character is Test
treehouse:~/workspace$ java-repl                                                                                                                                             
Welcome to JavaREPL version 272 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_20)                                                                                           
Type expression to evaluate, :help for more options or press tab to auto-complete.                                                                                           
java> :load PezDispenser.java                                                                                                                                                
Loaded source file from PezDispenser.java                                                                                                                                    
java> PezDispenser pd = new PezDispenser("Yoda");                                                                                                                            
ERROR: cannot find symbol                                                                                                                                                    
  symbol:   class PezDispenser                                                                                                                                               
  location: interface Evaluation                                                                                                                                             
  PezDispenser method$9l7qv3fwog5xcmz8jehb();                                                                                                                                
  ^                                                                                                                                                                          

Please help

3 Answers

I think you uncovered a bug in the teamtreehouse java-repl. I got the same errors as you until I removed your //comments. Comments shouldn't matter but apparently the repl misread your code because of them.

You have been a savior. Thank you.

Yael P.
Yael P.
2,816 Points

Thank you, indeed it solved the problem :)

Chris Ramacciotti
seal-mask
STAFF
.a{fill-rule:evenodd;}techdegree
Chris Ramacciotti
Treehouse Guest Teacher

After careful research, it appears that this is a bug in a third-party library we use for that REPL tool. I just found through a series of tests that a comment containing class followed by a valid Java identifier wouldn't be parsed correctly with the :load command. I've filed an issue here:

https://github.com/albertlatacz/java-repl/issues/100