Java code - Study guides, Class notes & Summaries

Which of the following lines is a properly formatted comment? a. // This is a comment b. /* This is a comment */ c. /* this is a comment */ d. both a and b e. a, b and c correct answers e. a, b and c The Java compiler translates Java source code into _____________ . a. assembly code b. C++ c. Java bytecode d. an object-oriented language e. machine code correct answers c. Java bytecode Classes can be created from other classes by using _______________ . a. machine co...

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 - Answer-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 pr...

CIS 3145 MidTerm Exam Review Questions With Complete Solutions What is the Java Programming Language? - Correct Answer It was released in 1995 as a part of Sun Microsystems' Java platform. The language has developed much of its syntax from C and C++. Java applications are usually compiled to bytecode (class file) that can run on any Java Virtual Machine (JVM). Java is currently one of the most popular programming languages being used. How does the Java language compare to other languages? -...

AP Computer Science A: Unit 2 Exam with Complete Solutions Consider the following code segment: ```java public class Car { private String model; private int year; public Car(String model, int year) { = model; = year; } public String getModel() { return model; } public int getYear() { 2 return year; } } ``` What is the purpose of the `getModel()` and `getYear()` methods in this class? The `getModel()` and `getYear()` methods are accessor methods (getters)...

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...

CSC 1350 Final Exam Question and answers rated A+ 2024 CSC 1350 Final Exam (Comprehensive) Who writes the the source code(program), which is a .java file(s)? - correct answer The programmer What does Java run on? - correct answer Java runs on a target machine, it runs on the java virtual machine (JVM) what creates a byte code file (.class)? - correct answer The Java compiler creates a bytecode file (.class), this is an object file the JVM can run What is the object code? - co...

AP Computer Science A Premium, 12th Edition: Prep Book with 6 Practice Tests + Comprehensive Review + Online Practice (Barron's AP Prep) 2024 with complete solution Barron’s AP Computer Science A Premium, 12th Edition includes in‑depth content review and practice. It’s the only book you’ll need to be prepared for exam day. Written by Experienced Educators Learn from Barron’s‑‑all content is written and reviewed by AP experts Build your understanding with comprehensive re...

AP Computer Science A - Review 1 Latest Update 100% Pass What is the difference between an `ArrayList` and an array in Java? An `ArrayList` is a resizable data structure that can grow and shrink dynamically, whereas an array has a fixed size. Additionally, `ArrayList` provides methods for manipulating the list, such as adding, removing, and searching for elements. What is inheritance, and how does it work in Java? Inheritance allows a new class (subclass) to inherit properties...

All .JAVA .XML and.Manifest files source code with pictures are shown in document

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 - Answer- 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 p...