The new operator dynamically allocates ________ for an object and returns a reference to it.

Related MCQs

• Suppose A is an abstract class ,B is a concrete subclass of A, and both A and B have an default constructor. Which of the following is correct? a) A a = new A(); b)A a = new B(); c) B b = new A(); d) B b = new B();
• Which operator is used by Java run time implementations to free the memory of an object when it is no longer needed?
• Given the following declarations String s1=new String("Hello") ; String s2=new String("there"); String s3=new String(); Which of the following are legal operations?
• Given the following code:~~~class Base { int x = 10; }~~~class Derived extends Base~~~{ int x = 20; }~~~Base b = new Base();~~~Derived d = new Derived ( );~~~Base bd = new Derived(); The statement~~~System.out.println(b.x + " " + d.x + " " + bd.x);~~~will produce the output
• When a thread is created using new operator, the thread is in _____ state.
• Keyword _____ is always a reference to the object.
• __________ provides the naming services for the server to register the object and for the client to locate the object.
• How do you create a Reader object from an InputStream object?
• Suppose that you want to have an object eh handle the TextEvent of TextArea object t. How should you add eh as the event handler for?
• How do you create a Reader object from an InputStream object?