True or False: All classes that can be instantiated must implement the class Object

Which of the following statements is false about objects?

What is the difference between HashMap and HashTable?

The Core Java platform provides many benefits to developers, including:

What will be the output of program? class Ab { public static void main(String[] ar) {System.out.print("hi"); } static { System.out.print("how"); } }

Which one of the following is NOT a reserved word in Java?