content: package com.example.androidthings.imageclassifier.classifier;
  
  /**
   * An immutable result returned by a Classifier describing what was recognized.
   */
  public class Recognition {
      /**
       * A unique identifier for what has been recognized. Specific to the class, not the instance of
       * the object.
       */
      private final String id;
  
      /**
       * Display name for the recognition.
       */
      private final String title;
  
      /**
       * A sortable score for how good the recognition is relative to others. Higher should be better.
       */
      private final Float confidence;
  
      public Recognition(
              final String id, final String title, final Float confidence) {
          this.id = id;
          this.title = title;
          this.confidence = confidence;
      }
  
      public String getId() {
          return id;
      }
  
      public String getTitle() {
          return title;
      }
  
      public Float getConfidence() {
          return confidence == null ? 0f : confidence;
      }
  
      @Override
      public String toString() {
          String resultString = "";
          if (id != null) {
              resultString += "[" + id + "] ";
          }
  
          if (title != null) {
              resultString += title + " ";
          }
  
          if (confidence != null) {
              resultString += String.format("(%.1f%%) ", confidence * 100.0f);
          }
  
          return resultString.trim();
      }
  }
  