Java constructors - Study guides, Revision notes & Summaries
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AP Computer Science Final Exam with Verified Solutions
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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...
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AP Computer Science A 100& Correct
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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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GMU CS 211 Questions And Answers With Verified Study Solutions
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Which of the following is not a primitive data type in Java? 
A. int 
B. double 
D. Character 
C. String 
E. C and D - Answer-E. C and D 
Which of the following type casting is done implicitly in Java? 
A. int to float 
B. double to float 
C. byte to short 
D. A and B 
E. A and C - Answer-E. A and C 
Which of the following is false about constructors in java? 
A. All classes in java have at least one constructor 
B. Constructors cannot be private 
C. Constructors' tasks include initialization o...
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GMU CS 211 - Sample Final Examination Questions and Verified Answers | Passed | A+
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Which of the following is not a primitive data type in Java? 
A. int 
B. double 
D. Character 
C. String 
E. C and D 
: E. C and D 
Which of the following type casting is done implicitly in Java? 
A. int to float 
B. double to float 
2 
C. byte to short 
D. A and B 
E. A and C 
: E. A and C 
Which of the following is false about constructors in java? 
A. All classes in java have at least one constructor 
B. Constructors cannot be private 
C. Constructors' tasks include initialization of...
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Java TOP Exam Questions And CORRECT Answers
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java A Java class is described in a text file with a ______ extension 
import The ______ keyword defines other classes or groups of classes that you are 
using in your class 
class The ______ keyword precedes the name of a class 
public The name of the class and the file name must match when the class is declared 
_______ 
modifier The keyword public in front of the class keyword is a ______ and not required 
instance Variables, or the data associated with programs are called ________ fields 
...
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Entry level Java Programming Interview Questions and Answers
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What are the main features of Java? 
~ 1. Object-oriented 
2. Simple 
3. Platform Independent 
4. Secured 
5. Robust 
6. Portable 
7. Multithreaded 
8. Distributed 
What are the fundamental principles of OOP? 
~ 1. Inheritance 
2. Abstraction 
3. Polymorphism 
4. Encapsulation 
What is Inheritance in Java? 
~ Inheritance is one of the key principles of OOP. Through Inheritance, one class can 
inherit the properties of another class. The class from which properties are inherited is called 
a...
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CPSC 2150 Exam 1 Questions & Answers 2024/2025
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CPSC 2150 Exam 1 Questions & Answers 2024/2025 
 
 
When zipping up our directory on unix, which flag will we use to include all the subdirectories and their files as well? - ANSWERS-r 
 
Which of the following are included in a Makefile command? (may be more than one) - ANSWERStarget, dependencies, unix command to run 
 
In java, a main function must... - ANSWERSBe inside of a class 
Be static 
Have one argument, an array of strings 
 
Anything that is not one of the 8 primitive data types in J...
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Spring Framework - Dependency Injection, MVCs, Webapp Virtual Servers, Maven, and JPA, and Thymeleaf. (All Correct 100%)
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What is the spring framework? correct answers It is a development framework created by Java that is meant to aid in developing virtually any kind of software given the right configuration. 
 
what is spring boot? correct answers A product that gets you into building a product with the spring framework quickly by providing other services to help with configurations, setting up virtual servers, etc. 
 
What is the use of the @ symbol in Java? correct answers It specifies an annotation in Java. The...
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CSE 205 Exam Questions And Answers (Verified And Updated)
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CSE 205 Exam Questions And Answers 
(Verified And Updated) 
An advantage of composition is the fact that we can sometimes reuse classes that we have 
already written, instead of having to design and write new classes. - answerTrue 
In Java a variable must... 
a) zeroed before it can be used 
b) be normalized before it can be used 
c) be deleted before it can be used 
d) be initialized before it can be used 
e) None of the above - answerAnswer: e): None of the above 
If "declared before it can b...
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CNIT 325 Questions and Answers Rated A+
- Exam (elaborations) • 11 pages • 2024
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CNIT 325 Questions and Answers Rated A+ To compile: javac MyFirstP 
Will produce: MyFirstP 
To execute: java MyFirstProgram 
Java Class is a design construct, includes data (attributes) and behavior (methods) 
Object The living version of a class; "physical" version of the design construct class is like a house blueprint object is the house "Object is an instance of a class" 
Encapsulation "Data hiding" 
The idea of safeguarding data inside behavior. Access to the data is controlled by the...
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