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Java

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AP Computer Science A

Definition

Java is a high-level, object-oriented programming language that is widely used for developing applications and software. It is known for its platform independence, meaning that programs written in Java can run on any device or operating system with a Java Virtual Machine (JVM).

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Practice Questions (17)

Which statement best describes the relationship between objects and classes in Java?
Which of the following is NOT a characteristic of a class in Java?
In Java, can an object access instance variables or methods of another object?
When it comes to passing in reference and primitive values to constructors, what kind of language is Java?
If the class Car is a subclass of the class Vehicle, what happens when Java tries to run the line “Vehicle vehicle = new Car();”?
If the class Bird is a superclass of the class Penguin, what happens when Java tries to run the line “Penguin penguin = new Bird();”?
In Java, can a subclass object be assigned to a superclass reference variable?
In Java, what class is the superclass of all other classes?
When does Java automatically insert a call to the superclass's no-argument constructor in a subclass?
Which of the following correctly describes a difference between overloading and overriding in Java?
Can a constructor have a return type in Java?
Which of the following is true about the visibility of accessor methods in Java?
Which of the following is a valid way to access a static variable in Java?
In Java, what is the default access for a class member when no access modifier is specified?
Which of the following can be traversed using the enhanced for loop in Java?
How many subclasses can a superclass have in Java?
In Java, a class can inherit from:

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Java

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AP Computer Science A

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Java

from class:

AP Computer Science A

Definition

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"Java" also found in:

Subjects (21)

Practice Questions (17)

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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.

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