CodeHS Programming Language Accreditations 3

Question 1

In Java, what is the difference between `==` and `.equals()` when comparing String objects?

Accepted Answer

`==` compares references; `.equals()` compares content

Answer

`==` checks if two references point to the same object, while `.equals()` checks if the string contents are the same.

Question 2

Which HTML tag is used to link an external CSS stylesheet?

Accepted Answer

<link>

Answer

The `` tag in the `` connects an external CSS file.

Question 3

In Python, what is a lambda function?

Accepted Answer

An anonymous single-expression function

Answer

A lambda is a small anonymous function defined with the `lambda` keyword that can have any number of arguments but only one expression.

Question 4

What is the purpose of the `break` statement in a loop?

Accepted Answer

Exits the loop immediately

Answer

`break` terminates the nearest enclosing loop immediately.

Question 5

In JavaScript, which method adds one or more elements to the END of an array?

Accepted Answer

push()

Answer

`push()` appends elements to the end of an array and returns the new length.

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