title: The import org.opencv.highgui cannot be resolved
body: <p>I installed OpenCV (opencv-3.0.0-alpha) and it works proberly but I can't use that import</p>
  
  <pre><code>import org.opencv.core.*;
  import org.opencv.highgui.Highgui;
  
  public class Main {
  
      public static void main(String[] args) {
  
  //      System.loadLibrary("opencv_java244");
  //      Mat m = Highgui.imread("C:/Users/raj/Desktop/sa1.png",
  //              Highgui.CV_LOAD_IMAGE_COLOR);
  //      new LoadImage("C:/Users/raj/Desktop/dst1.jpg", m);
      }
  }
  </code></pre>
  
  <p>I get this error</p>
  
  <pre><code>The import org.opencv.highgui cannot be resolved
  </code></pre>
  
  <p>How can I solve this?</p>