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CSE 2221 Exam Study Guide | Study Questions with 100% Correct Verified Answers
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The Implements Relation - ANSWER The implements relation may hold between a class and an 
interface. If C implements I then class C contains code for the behavior specified in interface I. 
This means that C has method bodies for instance methods whose contracts are specified in I. 
The code of C looks like this: 
class C implements I { 
// bodies for methods specified in I 
} 
The implements relation allows you to separate contracts from their implementations- a best 
practice for component des...
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CSE 2221 Actual Exam | Study Questions with 100% Correct Verified Answers
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Significance of JVM - ANSWER Portability 
Universality 
Performance 
Class - ANSWER declares the code to be a software component for which bytecode 
should be generated by the compiler 
String Literals - ANSWER Strings enclosed in double quotes 
ex: "Hello World!" 
Concatenated Strings - ANSWER Strings joined together to create new character strings 
ex: "Hello " + " world!"
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CSE 2221 Final Exam Review| Study Questions with 100% Correct Verified Answers
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For a method formal parameter p, which parameter mode guarantees that #p cannot appear n 
the ensures clause for the method's contract? 
a. clears 
b. replaces 
c. restores 
d. updates - ANSWER B. replaces
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CSE 2221 FINAL EXAM-2024 QUESTIONS AND ANSWERS PASSED AND VERIFIED.
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In design-by-contract, when is precondition (requires clause) of a method is not satisfied the implementer of a method is obligated to: - ANSWER A. stop the program and report an error 
B. generate a default result that will let the client know of their error 
C. make sure the postcondition (ensure clause( is satisfied 
D. None of the above *ANSWER* 
 
Abstraction - ANSWER Providing a valid cover story for the behavior of a system 
 
The checkstyle plugin for Eclipse is useful bec...
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CSE 2221 -FINAL EXAM 2024 QUESTIONS AND ANSWERS PASSED AND VERIFIED.
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Why is the container class called Stack? - CORRECT ANSWER It follows the same sort of organization and manipulation type that a stack in the program execution would perform LIFO (last-in-first-out) 
 
LIFO - CORRECT ANSWER last in first out 
 
How is a Stack different than the queue? - CORRECT ANSWER it is like a "dual" A queue is first in first out, while stack is last in first out 
 
What are the three methods of StackKernel? - CORRECT ANSWER push 
pop 
length 
...
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CSE 2221 FINAL EXAM 2024 QUESTIONS AND ANSWERS PASSED AND VERIFIED.
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How to declare output stream to console - CORRECT ANSWER SimpleWriter out = new SimpleWriter1L(); 
 
How to accept input stream from console - CORRECT ANSWER SimpleReader in = new SimpleReader1L(); 
 
How to close input/output stream - CORRECT ANSWER ();/(); 
 
Simple concatenation - CORRECT ANSWER Use the "+" symbol to combine two strings or characters 
 
Basic string assignment - CORRECT ANSWER String temp = "temp"; 
 
String assignment from input st...
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CSE 2221 FINAL EXAM REVIEW
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For a method formal parameter p, which parameter mode guarantees that #p cannot appear n the ensures clause for the method's contract? 
a. clears 
b. replaces 
c. restores 
d. updates - Answer-B. replaces 
 
You may reason about the behavior of Java code involving immutable types exactly as if they were primitive types because: 
a. "Immutable" and "primitive" are synonyms; there is no difference between them 
b. Computations involving immutable types are just as efficient as those involving...
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CSE 2221 Midterm 1 Review Exam 2024
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CSE 2221 Midterm 1 Review Exam 2024...
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CSE 2221 Midterm 1 Exam 2024
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CSE 2221 Midterm 1 Exam 2024...
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CSE 2221 Midterm Exam Latest Update
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CSE 2221 Midterm Exam Latest Update...
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