How Matlab JavaMethod pass values

Hi,

I have matlab values want's to pass java class method.But *I got Error Reference to a cleared variable matrix{1,i}*
Example : Java Class :

if true
  % code
public Sample(String id) {
      super();
      this.id = id;
      this.matrix = new Vector<List<Integer>>();
  }
end
*//Here String id hello
//out put Sample [id=hello, matrix=[]]*
My Mat-lab Code Below like :

for i=1:10
 id ="hello";
 matrix{1,i}=[4,4,22,3,2,2,2,22];%1-by-8 matrix
end
clear java;
import edu.lipreading.*;
    training = TrainingPanel;
    javaMethod('Sample',training,matrix{1,i});