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Questions and Answers
Which concept involves bundling data and methods that operate on that data within a class, protecting it from outside access?
Which concept involves bundling data and methods that operate on that data within a class, protecting it from outside access?
- Encapsulation (correct)
- Polymorphism
- Inheritance
- Abstraction
What is the primary function of the Java Virtual Machine (JVM)?
What is the primary function of the Java Virtual Machine (JVM)?
- To execute Java bytecode by interpreting or JIT compiling it. (correct)
- To compile Java source code into machine code.
- To provide a platform for web browsing.
- To manage operating system resources.
In Java, what mechanism allows a class to inherit properties and methods from another class?
In Java, what mechanism allows a class to inherit properties and methods from another class?
- Polymorphism
- Encapsulation
- Inheritance (correct)
- Abstraction
What term describes the ability of an object to take on many forms?
What term describes the ability of an object to take on many forms?
Which of the following is NOT a type of operator in Java?
Which of the following is NOT a type of operator in Java?
What is the process of converting one data type to another known as in Java?
What is the process of converting one data type to another known as in Java?
Which of the following facilitates hiding the implementation details and showing only the essential information about an object?
Which of the following facilitates hiding the implementation details and showing only the essential information about an object?
What is the compiled form of a Java program that the JVM can execute?
What is the compiled form of a Java program that the JVM can execute?
Within the context of object-oriented programming, what encompasses objects and classes?
Within the context of object-oriented programming, what encompasses objects and classes?
Which feature of Java enables passing information to the program during runtime?
Which feature of Java enables passing information to the program during runtime?
Flashcards
Object-Oriented Programming (OOP)
Object-Oriented Programming (OOP)
A programming paradigm based on the concept of "objects", which contain data and methods. Includes key principles like encapsulation, inheritance, and polymorphism.
Class
Class
A blueprint for creating objects. It defines the attributes (data) and methods (behavior) that the objects of that class will have.
Encapsulation
Encapsulation
Wrapping data (attributes) and methods (behavior) that operate on the data within a single unit (class), and protecting it from outside access.
Inheritance
Inheritance
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Polymorphism
Polymorphism
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Dynamic Binding
Dynamic Binding
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Java Virtual Machine (JVM)
Java Virtual Machine (JVM)
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Bytecode
Bytecode
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Type Casting
Type Casting
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Operators in Java
Operators in Java
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Study Notes
Object-Oriented Programming Concepts
- Core concepts include objects and classes
- Additional principles consist of data abstraction and encapsulation
- Inheritance and polymorphism are fundamental aspects
- Dynamic binding and message passing are also included
Java Fundamentals
- Key features define the language
- The Java Virtual Machine (JVM) is important
- Byte code interpretation is a crucial process
Program Structure and Data
- Writing simple Java programs as an initial step
- Command-line arguments is a method for input
- Data types and type casting are essential for data handling
- Operators, including arithmetic, increment, decrement, relational, logical, bitwise, and conditional, are used in expressions
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