Unit 2: Using Objects - AP Computer Science A

/ Unit 2: Using Objects

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Question Difficulty:

Question	Difficulty	Students Solved
String Concatenation With The Plus Operator	easy	16
Java Integer Overflow	medium	15
Tracing A Recursive Method	hard	8
Java Overloaded Constructor Calls	medium	11
String Substring Method Behavior	medium	8
Java Reference Type Declarations	easy	9
Static Variable in a Constructor	medium	7
Java Math Library Expression	medium	6
String indexOf Method	easy	8
Java Constructor Overloading	easy	9
Recursive Power Method Output	medium	5
Integer Division and Type Casting	medium	6
Static Factory Method Implementation	easy	5
Java Compound Assignment Operators	easy	6
String Length Method Output	easy	3
Data Type For Precise Decimal Arithmetic	medium	3
Tracing Mutual Recursive Methods	hard	3
Evaluating Compound Assignment Operators	easy	6
Boolean Expression Evaluation	easy	5
Output of Print and Println Methods	easy	3

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#1	kaisuki	29	39	0m 00s	2,800
#2	sgarv2513	29	50	0m 00s	2,690
#3	nabihamanahal	21	28	0m 00s	2,030
#4	michael.2103ll	18	28	0m 00s	1,700
#5	samyrabahfc	14	24	0m 00s	1,300
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#7	lightingstrikes1342	9	9	0m 00s	900
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#9	diceans	8	10	0m 00s	780
#10	sailajavadlamani33	8	19	0m 00s	690