AP Computer Science A: <= Unit 4
Authored by Herman Galioulline
Computers
10th - 12th Grade
Used 100+ times
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About
This quiz focuses on fundamental programming concepts in Java, specifically targeting AP Computer Science A content through Unit 4. The questions assess students' understanding of arithmetic expressions and operator precedence, string manipulation and method calls, boolean logic and comparison operators, and object-oriented programming concepts including class instantiation and method invocation. Students need a solid grasp of Java syntax, the ability to trace through code execution step by step, and understanding of how objects interact with methods. The complexity and multiple-choice format with code analysis clearly places this at the high school level, specifically grades 10-12, which aligns perfectly with the Advanced Placement Computer Science A curriculum that introduces students to programming fundamentals through object-oriented design. Created by Herman Galioulline, a Computers teacher in Switzerland who teaches grades 10-12. This quiz serves as an excellent formative assessment tool for students progressing through the first half of AP Computer Science A, allowing teachers to gauge comprehension of core programming concepts before advancing to more complex topics like arrays and advanced object-oriented design. The quiz works effectively as a review session before unit tests, homework practice for reinforcing daily lessons, or a warm-up activity to activate prior knowledge at the beginning of class. Teachers can use student responses to identify common misconceptions about method calls, boolean evaluation, or object instantiation that need additional instruction. This assessment aligns with College Board standards AP-CSA-1 (Modularity), AP-CSA-2 (Variables), AP-CSA-3 (Control), and AP-CSA-5 (Writing Classes), providing comprehensive coverage of foundational programming skills essential for student success in advanced computer science coursework.
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5 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The code segment is intended to print a value that is 1 more than twice the value of n.
I only
II only
III only
I and III
II and III
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is printed as a result of executing the code segment?
ABCD
BCDE
BCEF
BCDEF
ABCDEF
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What value is returned as a result of the method call changeStr("12345") ?
"4"
"53"
"531"
"543"
"54321"
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
boolean x = (5 < 8) == (5 == 8);
What is the value of x?
3
5
8
true
false
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following code segments, if located in a method in a class other than Thing, will cause the message "Hello my friend" to be printed?
Thing a = new Thing();
Thing.talk();
Thing.name();
Thing a = new Thing();
Thing.greet();
Thing a = new Thing();
a.talk();
Thing a = new Thing();
a.greet();
Thing a = new Thing();
a.name();
a.talk();
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