Introduction to ArrayList

AP Computer Science A· difficulty 4/5

Can ArrayList store null?

A
$Only one null per list$
B
$No (throws exception)$
C
$Yes, null is a valid element$
check_circle
D
$Only for primitives$

Explanation

ArrayList allows nulls; just be careful to null-check.

Want 10 more like this — adaptive to your weak spots?

Practice 10 like thisarrow_forward Predict my AP score

Related questions

auto_awesomeAll Tools question_answerHomework Q&A menu_bookAP & SAT Prep timelineLearn Mode