#124 Unit 2 Lesson 6 Variables

What is a variable in programming?

• A software development methodology

• A type of computer hardware

• A container for storing a value

• A set of instructions for the computer to follow

What are the two types of variables in Java?

• Static and Dynamic

• Primitive and Reference

• Public and Private

• Integer and String

Which color sticky note represents integers in the analogy?

• Green

• Blue

• Yellow

• Red

What does a reference variable contain?

• A direct value

• A list of commands

• An address pointing to a location in memory

• A numerical code

What are the three decisions to make when creating a variable?

• Size, Type, Name

• Name, Type, Value

• Access, Type, Name

• Type, Value, Location

What type of variable is used to store decimal numbers in Java?

• string

• boolean

• double

• int

How do you declare a variable in Java?

• datatype = name;

• create datatype name;

• name datatype;

• datatype name;

What does the assignment operator do?

• Assigns a value to a variable

• Declares a variable type

• Creates a new variable

• Compares two values

What is the correct way to initialize a variable in Java?

• datatype value = name;

• name = value datatype;

• datatype name = value;

• name datatype = value;

How is a String variable declared and initialized in Java?

• string name = "value";

• String name = "value";

• str name = "value";

• text name = "value";