diff --git a/src/test/resources/inferWildcards/TestClassWildcardsParamType.java b/src/test/resources/inferWildcards/TestClassWildcardsParamType.java
new file mode 100644
index 00000000..702440d7
--- /dev/null
+++ b/src/test/resources/inferWildcards/TestClassWildcardsParamType.java
@@ -0,0 +1,23 @@
+import java.util.List;
+import java.lang.String;
+
+public final class TestClassWildcardsParamType<T1, T2> {
+    public final T1 first;
+    public final T2 second;
+
+    public TestClassWildcardsParamType(T1 first, T2 second) {
+        this.first = first;
+        this.second = second;
+    }
+
+    public static <T1, T2> TestClassWildcardsParamType<T1, T2> of(T1 first, T2 second) {
+        return new TestClassWildcardsParamType<T1, T2>(first, second);
+    }
+    
+    public static void main(String[] agrs) {
+    	TestClassWildcardsParamType<Class<?>, String> pair = TestClassWildcardsParamType.of(List.class, "hello");
+    	
+    	//Outout of compiler
+    	//TestClassWildcardsParamType<? extends Class<?>, String> pair = TestClassWildcardsParamType.of(List.class, "hello");
+    }
+}
\ No newline at end of file
diff --git a/src/test/resources/inferWildcards/TestClassWildcardsSingle.java b/src/test/resources/inferWildcards/TestClassWildcardsSingle.java
index b9af5a46..8b391975 100644
--- a/src/test/resources/inferWildcards/TestClassWildcardsSingle.java
+++ b/src/test/resources/inferWildcards/TestClassWildcardsSingle.java
@@ -5,9 +5,6 @@ import java.lang.Object;
 class TestClassWildcardsSingle
 {
 
-	public TestClassWildcards () {
-	}
-
 	/**
 	 * Non working method in normal Java
 	 * @param input
diff --git a/src/test/resources/inferWildcards/TestClassWildcardsSingleLib.java b/src/test/resources/inferWildcards/TestClassWildcardsSingleLib.java
new file mode 100644
index 00000000..0cf2c938
--- /dev/null
+++ b/src/test/resources/inferWildcards/TestClassWildcardsSingleLib.java
@@ -0,0 +1,10 @@
+import java.util.List;
+
+class TestClassWildcardsLib
+{
+
+	public <T> List<T> merge (List<T> l1, List<T> l2) {
+		l2.forEach(s -> {if(!l1.contains(s)) l1.add(s);});
+		return l2;
+	}
+}
\ No newline at end of file