ITCS 1213 UNCC FINAL EXAM QUESTIONS WITH COMPLETE SOLUTION GRADED A+

ITCS 1213 UNCC FINAL EXAM Any object that can be thown as an Exception must inherit from what class? - ANSWER-Throwable n.Can a field declared as type boolean hold a value of 1? - ANSWER-No n.Can a programmer create his/her own Exception class? - ANSWER-Yes. A programmer can create their own Exception class in Java. n.Can a sub-class also be a super-class? - ANSWER-Yes, Java allows this n.Can a subclass write methods that do not appear in the superclass? - ANSWER-Yes n.Can an interface be instantiated? - ANSWER-No n.Can an interface be instantiated? - ANSWER-You can never instantiate an interface in java. n.Can an interface have fields? - ANSWER-Yes n.Can two methods in the same class definition file have the same signature? - ANSWER-No n.Can you declare fields of a class inside a method? - ANSWER-No e a for loop to execute: Is it possible to create an array in Java where the first row has 5 elements, the second row has 6 elements and the third row has 2 elements? - ANSWER-double [] [] salaries = new double [NUM_STORES][]; array[0] = new double [5]; array[1] = new double [6]; array[2] = new double [2]; n.Does a super class have to be abstract? - ANSWER-No n.Does the is-a relationship apply to classes that implement an interface? - ANSWER-No n.Does the Java compiler compile source code to machine code? - ANSWER-No, It compiles source code to byte code n.Does using the import statement make your compiled class file larger? - ANSWER-No n.Give two reasons for interfaces in the Java language. - ANSWER-To implement a list of methods and organization n.How many classes can a class directly inherit from? - ANSWER-1 n.How many classes can a given class extend? - ANSWER-one n.How many interfaces can a class implement? - ANSWER-Multiple or unlimited n.How many interfaces can another class implement - ANSWER-As many as needed n.How many public classes can a Java class file contain? - ANSWER-1 n.If a class extends an Employee class and implements a Comparable interface, what are the is-a relationships established? - ANSWER-The given class is a: is - a relationship n.If a subclass explicitly calls the constructor of the superclass, where must the call be made in the subclass constructor? - ANSWER-It will call the default if not specified n.If BankAccount( ) class has an abstract method named withDrawFunds ( ) what do you know about the SavingAccount class and the method withDrawFunds( )? - ANSWER-That the savings account class will have a method called withdraw funds n.If BankingAccount( ) has a protected method named depositFunds( ) can the CheckingAccount class override this method with a private method named depositFunds( )? - ANSWER-No because it has to be the same or less restrictive