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Java Java Data Structures Efficiency! Add tags to a course

Help with Java Data Structure quiz

I'm not sure why the code is not reading correctly.

com/example/model/Course.java
package com.example.model;

import java.util.HashSet;
import java.util.List;
import java.util.Set;

public class Course {
  private String mTitle;
  private Set<String> mTags;

  public Course(String title) {
    mTitle = title;
    mTags = new HashSet<String> ();
    // TODO: initialize the set mTags
  }

  public void addTag(String tag) {
    mTags.add(tag);
    // TODO: add the tag
  }

  public void addTags(List<String> tags) {
    // TODO: add all the tags passed in
  }

  public boolean hasTag(String tag) {
    // TODO: Return whether or not the tag has been added
    return false;
  }

  public String getTitle() {
    return mTitle;
  }

}

1 Answer

Kourosh Raeen
Kourosh Raeen
23,732 Points

Hi David - You haven't added code to addTags().