Java Basics

Java is short for "JavaScript".

• true

• false

How do you insert COMMENTS in Java code?

• # This is a comment

• /* This is a comment

• // This is a comment

Which data type is used to create a variable that should store text?

• myString

• String

• Txt

• string

How do you create a variable with the numeric value 5?

• float x = 5;

• x = 5;

• int x = 5;

• num x = 5

How do you create a variable with the floating number 2.8?

• byte x = 2.8f

• x = 2.8f;

• float x = 2.8f;

• int x = 2.8f;

Which method can be used to find the length of a string?

• getSize()

• getLength()

• length()

• len()

Which operator is used to add together two values?

• The + sign

• The * sign

• The & sign

The value of a string variable can be surrounded by single quotes.

• true

• false

Which operator can be used to compare two values?

• ><

• =

• ==

• <>

To declare an array in Java, define the variable type with:

• {}

• []

• ()