diff --git a/test/bytecode/javFiles/Matrix.jav b/test/bytecode/javFiles/Matrix.jav
index 64132861..9eb34edf 100644
--- a/test/bytecode/javFiles/Matrix.jav
+++ b/test/bytecode/javFiles/Matrix.jav
@@ -2,8 +2,23 @@ import java.util.Vector;
 import java.lang.Integer;
 import java.lang.Boolean;
 
-public class Matrix extends Vector<Vector<Integer>> {
-    mul(m) {
+public class Matrix   extends Vector<Vector<Integer>> {
+
+	Matrix () {
+     }
+
+     Matrix(vv) {
+     	Integer i;
+     	i = 0;
+ 		while(i < vv.size()) {
+ 	    	this.add(vv.elementAt(i));
+ 	    	i=i+1;
+ 		}
+     }
+
+
+
+   Matrix  mul(m) {
         var ret = new Matrix();
         var i = 0;
         while(i < size()) {