CodeHS 3.1 Boolean Expressions-4.2 For Loops Review

What is the proper way to compare String values in Java?

• The == operator

• The .equals() String method

• The = operator

• The | operator

Which Boolean expression will yield true after the code snippet executes?

• str1 == str2 && str1 == str3

• str1 != str2 && str1.equals(str3)

• str1 == str2 && str1.equals(str3)

• None of the above will evaluate to true after this code snippet executes.

Which of the following are relational operators? Check all that apply.

• <

• ==

• >=

• >

• <+

What does this Java expression evaluate to? 80 >= 80

• This expression will result in true.

• This expression will result in false.

• This expression will result in an error.

What is the difference between == and =?

• == is used for assignment, while = is used to check for equality.

• = is used for assignment, while == is used to check for equality.

• == assigns values to objects while = assigns values to primitives.

• There is no difference. These symbols can be used interchangeably.

Why do we use if statements in Java?

• To break out of some block of code

• To do something only if a condition is true

• To repeat something for a fixed number of times

What is the output of this program?

Which of the following statements is true?

• There can only be one else-if statement in an if-else if statement.

• An if-else if statement must always have an else clause.

• An if-else if statement cannot have an else clause.

• An if-else if statement must always start with an if statement.

What is the output of the following code snippet?

What is the output of the following code snippet?