AP Comp Sci A - CodeHS Unit 1 Vocab

What is a String in Java?

• A sequence of characters

• A data type for storing numbers

• A method for sorting arrays

• A loop structure

What are String Literals in Java?

• String literals are a sequence of characters enclosed in double quotes.

• String literals are variables that store integer values.

• String literals are methods that perform operations on strings.

• String literals are data types that store boolean values.

What does the Java Main Skeleton include?

• public static void main(String[] args) {}

• import statements

• class declaration

• package declaration

What is the purpose of 'public static void main(String args[])' in Java?

• It is the entry point of any Java program.

• It is used to declare a class.

• It is used to create an object.

• It is used to define a package.

What must the name of MyProgram match in Java?

• The class name

• The package name

• The method name

• The variable name

What does 'System.out.print' do in Java?

• Prints text to the console

• Reads input from the user

• Writes data to a file

• Compiles the code

What does 'System.out.println' do in Java?

• Prints text to the console

• Reads input from the user

• Compiles the Java program

• Terminates the program

What is a Variable in Java?

• A storage location in memory with a specific data type

• A method to execute code

• A class to create objects

• A package to organize classes

A symbol or container that holds a value is called a _______.

• variable

• constant

• operator

• function

An _______ is a Java type that represents an integer (a whole number).

• int

• float

• char

• boolean