Java class - Study guides, Class notes & Summaries

The correct syntax for the "main" method signature is: *a.* private static void main(String[] args) *b.* public static String main(String[] args) *c.* public static void main(String[] args) *d.* public void main(String[] args) *e.* none of the above - c The Java compiler does the following: *a.* checks a bytecode program in a ".class" file for run-time errors and if there are none, it generates source code for that program in a ".java" file *b.* checks a source code program in a ".java"...

Any object that can be thown as an Exception must inherit from what class? - Throwable Can a field declared as type boolean hold a value of 1? - No Can a programmer create his/her own Exception class? - Yes. A programmer can create their own Exception class in Java. Can a sub-class also be a super-class? - Yes, Java allows this Can a subclass write methods that do not appear in the superclass? - Yes Can an interface be instantiated? - No Can an interface be instantiated? - You can never i...

TEST BANK FOR Java Programming 10th Edition Solution By Farrell (VERIFIED) Solution and Answer Guide. Languages that let you use an easily understood vocabulary of descriptive terms, such as read, write, or add, are known as ____________languages. a. procedural b. high-level c. machine d. object-oriented Answer: b Feedback: High-level languages use English-like terms; Java is an example of a high-level language. Procedural languages are those that run by executing a series of procedure...

Test Bank for Starting Out With Java: Control Structures through Objects, 8th edition 8e by Tony Gaddis. Full Chapters test bank are included - Chapter 1 to 16 Introduction to Computers and Java Java Fundamentals Decision Structures Loops and Files Methods A First Look at Classes Arrays and the ArrayList Class A Second Look at Classes and Objects Text Processing and Wrapper Classes Inheritance Exceptions and Advanced File I/O JavaFX: GUI Programming and Basic Controls JavaFX: Adva...

What is the method signature for the main method of a Java program? - main(String[] args) What is overloading? - two methods that have the same name but different method signatures What is overriding? - Declaring a method in a sub class which is already present in the parent class in order to make the method more specialized to that sub class True or False, assertEquals uses .Equals() - True If you have a child class that is extended a parent class, and that parent class has a protected met...

Which of the following are Java primitive data types? a. String b. float c. Random d. boolean e. char f. int g. Array h. math i. double j. class k. none of these CORRECT ANSWER b, d, e, f, i Which of the following Java literals have the data type int? a. 123 b. 3f c. 3.14 d. -3 e. 'a' f. "3.0" g. 'n' h. 3.14f i. true j. false

What is the purpose of an object's instance variables? CORRECT ANSWER To store the data for a single instance of a class. Suppose you want to work with objects of the Student class. What do you need to know? CORRECT ANSWER The public interface of the class. T/F: S is an object CORRECT ANSWER True T/F: String is an object CORRECT ANSWER False T/F: Suppose that a new version of Java is released, and that the Java compiler changes the way that string objects store characters. If the st...

AP Computer Science Final Exam with Verified Solutions In Java, a method can have the same name as another method in the same class if their parameter lists are different. True The private access modifier allows a class member to be accessed only within the same package. False In Java, a String is a mutable object. False Java supports multiple inheritance directly through classes. False 2 The super keyword in Java is used to refer to the parent classs method...

AP Computer Science A 100& Correct What is encapsulation in object-oriented programming? Encapsulation is the concept of bundling data (fields) and methods (functions) that operate on the data into a single unit, typically a class. It helps to protect the internal state of an object and exposes only necessary parts through public methods. What does inheritance allow you to do in Java? Inheritance allows a subclass to inherit fields and methods from a superclass. This promotes co...

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