Unit 4: Iteration - AP Computer Science A

/ Unit 4: Iteration

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You’ll learn techniques and standard algorithms to work with collections of related data, known as data structures. You’ll delve deeper into data sets, exploring array, ArrayList of objects, and 2D arrays.

Question Difficulty:

Question	Difficulty	Students Solved
For Loop With Compound Conditional	medium	7
Java For Loop Code Tracing	medium	9
String Pair Swapping Loop	medium	8
Loop Analysis With Integer Division	medium	7
Integer Division in Boolean Expressions	medium	5
For Loop Execution Trace	medium	4
Runtime Comparison of Loop Structures	medium	1
Compound Condition In A While Loop	medium	3
Java For Loop Iteration Count	medium	3
Object Reference Comparison	medium	2
While Loop Execution Trace	medium	6
Equivalent Boolean Expressions	medium	4
Break Statement In A Nested Loop	medium	1
Java While Loop Logic	medium	-
For Loop Iteration Count	medium	1
While Loop Termination Condition	medium	1
Java Nested Conditional Logic	medium	2
For Loop With Continue Statement	medium	4
Tracing a Java While Loop	medium	2
Recursive String Reversal	medium	2

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Unit Leaderboard

Rank	User	Correct Count	Attempt Count	Time	Score
#1	hitrishabhatia	79	186	0m 00s	6,830
#2	hadleysmith5	23	33	0m 00s	2,200
#3	lsj08030922	16	20	0m 00s	1,560
#4	diceans	16	20	0m 00s	1,560
#5	ravi.palepu	17	27	5m 25s	1,275
#6	angelajxi11	12	15	0m 00s	1,170
#7	sgarv2513	11	13	0m 00s	1,080
#8	kwakmk090330	10	15	0m 00s	950
#9	the.ronzono	7	7	0m 00s	700
#10	lightingstrikes1342	6	9	0m 00s	570

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