Inheritance in java - Study guides, Class 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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Inheritance in java programming
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Inheritance 
1. Suppose the class named DiscountSale is a derived class of a class called Sale . 
Suppose the class Sale has instance variables named price and numberOfItems . 
Will an object of the class DiscountSale also have instance variables named 
price and numberOfItems ? 
2. Suppose the class named DiscountSale is a derived class of a class called Sale , 
and suppose the class Sale has public methods named getTotal and getTax . 
Will an object of the class DiscountSale have methods named...
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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
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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...
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What is the most important feature of Java?
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1. What is the most important feature of Java? 
 Java is a platform independent language. 
 2. What do you mean by platform independence? 
 Platform independence means that we can write and compile the java code 
in one platform (eg Windows) and can execute the class in any other 
supported platform eg (Linux,Solaris,etc). 
 3. What is a JVM? 
 JVM is Java Virtual Machine which is a run time environment for the 
compiled java class files. 
 4. Are JVM's platform independent? 
 JVM's are no...
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AP Computer Science A - Review 1 Latest Update 100% Pass
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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...
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CSIT 210 exam questions and answers 100% verified
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CSIT 210 exam questions and answers 100% 
verified 
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 - answere. 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 - answerc. Java bytecode 
Classes can be created from other classes by using _...
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Revature Interview Test Study Questions and Answers 100% Verified 2024-2025 Graded A
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Object - An instance of a class 
 
Class - Blueprint/prototype from which objects are created 
 
Inheritance - subclasses can inherit states/behaviors of superclasses 
 
interface - contract between class and outside world; when a class implements an interface, it promises to provide the behavior published by that interface 
 
package - a namespace for organizing classes & interfaces in a logical manner; makes large software projects easier to manage 
 
Encapsulation - Hiding the internal state ...
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CSIT 210 Exam 1 Questions & Answers 100% Correct(GRADED A+)
- Exam (elaborations) • 20 pages • 2023
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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 - ANSWER-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 - ANSWER-c. Java bytecode 
 
Classes can be created from other classes by using _______________ . 
a. 
machine code 
b. 
attrib...
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CSCI 121 Exam 1 Study Questions with well explained answers
- Exam (elaborations) • 31 pages • 2024
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Computer Program - A set of instructions for a computer to follow 
Software - The collection of programs used by a computer 
Bit - A digit that can assume only the values 0 or 1 
Byte - Eight-bit portion of memory 
High-level languages - Are designed to be easy for human beings to write programs in and be easy 
for human beings to understand 
Popular High Level Languages - C, C++, C#, Java, Python 
Compiler - A program that translates code in a high-level language (such as C++) into a machinelan...
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