Java Fundamentals
This programming paradigm organizes software using objects that combine data and methods.
What is Object-Oriented Programming (OOP)?
This component executes Java bytecode.
What is JVM?
This blueprint is used to create objects.
What is a class?
This special member initializes an object.
What is a constructor?
This stores multiple values of the same type.
What is an array?
This feature allows a program to be written once and run on multiple operating systems.
What is platform independence?
This package contains JVM and libraries required to run Java applications.
What is JRE?
This is an instance of a class.
What is an object?
This constructor takes no parameters.
What is a default constructor?
This class represents immutable character sequences.
What is the String class?
This Java feature allows one method name to perform different tasks based on parameters.
What is method overloading?
This package contains the compiler, debugger, and JRE.
What is JDK?
This operator creates an object in Java.
What is the new operator?
This constructor accepts arguments.
What is a parameterized constructor?
This property returns the number of elements in an array.
What is length?
This keyword is used to refer to the current object inside a class.
What is the this keyword?
This file generated by the Java compiler contains bytecode.
What is a .class file?
These members define the state of an object.
What are instance variables?
This keyword distinguishes instance variables from local variables.
What is this?
This method compares the contents of two strings.
What is equals()?
This principle allows an object to hide its internal implementation and expose only essential features.
What is encapsulation?
This process converts Java source code into bytecode before execution.
What is compilation?
This mechanism allows multiple objects to be created from one class.
What is object instantiation?
This type of constructor calls another constructor in the same class.
What is constructor chaining?
This method combines two strings into one.
What is concat()?