Which two are valid array declaration? A. Object array[]; B. Boolean array[3]; C. int[] array; D. Float[2] array;

What is the result? A. Sum is 600 B. Compilation fails at line n1. C. Compilation fails at line n2. D. A ClassCastException is thrown at line n1. E. A ClassCastException is thrown at line n2.

Which two options fail to compile when placed at line n1 of the main method? A. employee.salary = 50_000; B. director.salary = 80_000; C. employee.budget = 200_000; D. manager.budget = 1_000_000; E. ...

Which code fragment should you use at line n1 to instantiate the dvd object successfully? A. super.r = r; this.c = c; B. super(r); this(c); C. super(r); this.c = c; D. this.c = r; super(c);

What is the output? A. [21, 13, 11] B. [30] C. [] D. Compilation fails due to error at line 7 E. Compilation tails due to error at line 10

What is the result? A. 11, 21, 31, 11, 21, 31 B. 11, 21, 31, 12, 22, 32 C. 12, 22, 32, 12, 22, 32 D. 10, 20, 30, 10, 20, 30

What is the result? A. int sum is 30 float sum is 30.0 B. int sum is 30 double sum is 30 C. Integer sum is 30 double sum is 30.0 D. Integer sum is 30 float sum is 30.0

What is the result? A. Base DerivedA B. Base DerivedB C. DerivedB DerivedB D. DerivedB DerivedA E. A classcast Except ion is thrown at runtime.

You are asked to develop a program for a shopping application, and you are given the following information. Which definition of the Toy class adds a valid layer of abstraction to the class hierarchy?

Which three statements describe the object-oriented features of the Java language? A. Objects cannot be reused. B. A subclass can inherit from a superclass. C. Objects can share behaviors with other ...