diff -r 685193e0d793 -r de609e0cdab5 rt/emul/mini/src/main/resources/org/apidesign/vm4brwsr/emul/lang/java_lang_String.js
--- a/rt/emul/mini/src/main/resources/org/apidesign/vm4brwsr/emul/lang/java_lang_String.js	Thu Apr 21 06:23:16 2016 +0200
+++ b/rt/emul/mini/src/main/resources/org/apidesign/vm4brwsr/emul/lang/java_lang_String.js	Fri Jun 10 05:52:44 2016 +0200
@@ -1,6 +1,7 @@
 // initialize methods on arrays and String constants
 vm.java_lang_reflect_Array(false);
 vm.java_lang_String(false);
+vm.java_lang_Boolean(false);
 
 Object.defineProperty(Array, "at", { configurable: true, writable: true, value : function(arr, indx, value) {
   var prev = arr[indx];