AP CSA Unit 2 Quiz

What is a method in Java?

• A method in Java is a block of code that performs a specific task.

• A method in Java is a keyword used to declare a class.

• A method in Java is a loop that repeats a block of code.

• A method in Java is a variable that stores data.

What is a class in Java?

• A class in Java is a blueprint or template for creating objects.

• A class in Java is a keyword used to declare a variable.

• A class in Java is a built-in function that performs a specific task.

• A class in Java is a data type used to store multiple values of the same type.

What are primitive types in Java?

• integer, String, object, null, undefined

• boolean, int, double

• boolean, byte, object, String

• true, false, null, undefined, number, string

What is a constructor in Java?

• A constructor in Java is a keyword used to create objects.

• A constructor in Java is a method used to modify the state of an object.

• A constructor in Java is a special method used to initialize objects.

• A constructor in Java is a method used to define the behavior of an object.

What is an object in Java?

• An object in Java is an instance of a class.

• An object in Java is a variable.

• An object in Java is a method.

• An object in Java is a data type.

What is the purpose of a method in Java?

• The purpose of a method in Java is to slow down the execution of the program.

• The purpose of a method in Java is to perform a specific task and provide code reusability, modularity, and abstraction.

• The purpose of a method in Java is to make the code harder to read and understand.

• The purpose of a method in Java is to increase the complexity of the code.

How do you define a class in Java?

• You define a class in Java using the 'create' keyword followed by the class name.

• You define a class in Java using the 'class' keyword followed by the class name.

• You define a class in Java using the 'new' keyword followed by the class name.

• You define a class in Java using the 'define' keyword followed by the class name.

What is the role of a constructor in Java?

• The role of a constructor in Java is to define the methods and variables of a class.

• The role of a constructor in Java is to initialize objects and set their initial state.

• The role of a constructor in Java is to perform mathematical calculations.

• The role of a constructor in Java is to handle exceptions and errors.

How do you create an object in Java?

• Use the 'new' keyword followed by the class name and parentheses.

• Use the 'initialize' keyword followed by the class name and parentheses.

• Use the 'make' keyword followed by the class name and parentheses.

• Use the 'create' keyword followed by the class name and parentheses.