CodeHS 2.15 Strings

What class is a sequence of characters?

(a)  

Select all of the primitive data types.

• System

• String

• int

• double

• boolean

Which line of code concatenates two Strings?

• String foo = "Hello " + "World";

• String foo = "Hello " & "World";

• String foo = "Hello " && "World";

• String foo = String.concatenate("Hello", "World");

Select all of the types that we can concatenate with Strings.

• String

• int

• double

• boolean

What is printed to the screen?

• foo

• bar

• foobar

• foo

  bar

• There's no way to tell because Java stores strings weirdly.

Select this lesson's learning targets.

• I can explain Strings

• I can create and assign values to String variables

• I can concatenate Strings

• I can compare Strings correctly

• I can avoid comparing Strings with the equals operator