How to access a Java object's field named "type" from Scala

Question

I have an already existing class written in Java (lets say this class is called X) that contains a field / member named type.

I now want to write a Scala class / object that creates an object of type X and access the type member of that object.

Yet, since type is a keyword in Scala, this does not work. The error message in Eclipse is: identifier expected but 'type' found.

Question: Is it possible to access that field without renaming it?

A working example:

Java Class:

public class X {
  public final int type = 0;
}

Scala App:

object Playground extends App {
  val x : X = new X();
  System.out.println(x.type); // This does not work!
}

prayagupadhyay · Accepted Answer · 2017-03-20 17:11:07Z

1

Either use backticks or define a gettter.

object Playground extends App {
  val x : X = new X();
  System.out.println(x.`type`)
}

Or using a getter,

public class X {
  public int type = 0;

  public int getType() {
    return type;
  }
}

object Playground extends App {
  val x : X = new X();
  System.out.println(x.getType());
}

answered Mar 20, 2017 at 17:11

prayagupadhyay

31.4k14 gold badges165 silver badges199 bronze badges

Sign up to request clarification or add additional context in comments.

2 Comments

Markus Weninger Over a year ago

Thanks! Since the fields are final in the original application (just edited the question), we didn't write getters on purpose, but good idea!

prayagupadhyay Over a year ago

I don't like Getters either, too much verbosity. @Getter for static variable does not sound great though.

Community · Accepted Answer · 2017-05-23 12:25:29Z

1

You can use reserved words as names by using back ticks, e.g. type. For more information, see previous questions: Is there a way to use "type" word as a variable name in Scala?

edited May 23, 2017 at 12:25

CommunityBot

11 silver badge

answered Mar 20, 2017 at 17:10

radumanolescu

4,1912 gold badges35 silver badges49 bronze badges

Collectives™ on Stack Overflow

How to access a Java object's field named "type" from Scala

2 Answers 2

2 Comments

Comments

Your Answer

Linked

Hot Network Questions

Collectives™ on Stack Overflow

2 Answers 2

2 Comments

Comments

Your Answer

Sign up or log in

Post as a guest

Linked

Related