Java Type Erasure Demonstration

gistfile1.java

// TEST 1: what happens in this scenario?
List<String> test1 = new ArrayList<String>();
test1.add(new Integer(5));
        
// TEST 2: what happens and/or is printed in this scenario?
List<String> test2 = new ArrayList<String>();
Method method2 = 
    test2.getClass().getMethod("add", String.class);
System.out.println(method2);

// TEST 3: what happens in this scenario?
List<String> test3 = new ArrayList<String>();
Method method3 = 
   test3.getClass().getMethod("add", Object.class);
method3.invoke(test3, new Integer(5));

// TEST 4: what happens or is printed in this scenario
String result3 = test3.get(0);
System.out.println("RESULT 3: " + result3);