Upcasting - Study guides, Class notes & Summaries
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CMSC 132 quiz 3 review (100% Verified Solutions)
- Exam (elaborations) • 8 pages • 2023
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Lets say there is a class called Student that extends a class called Person and we write: 
 
Student s = .....; 
Person p = (Person)s; 
 
Is this up casting or down casting? will it work? correct answers This is upcasting and it will work without any issues. 
 
Lets say there is a class called Student that extends a class called Person and we write: 
 
Person p = ......; 
Student s = (Student)p; 
 
Is this up casting or down casting? will it work? correct answers This is down casting. It compile...
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CMSC132 Exam #1 (with Complete Solutions)
- Exam (elaborations) • 6 pages • 2023
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Serializing Objects correct answers An object can be represented as a sequence of bytes that includes the objects data as well as information about the objects type and the types of data stored. 
 
Super() correct answers A method call in a sub class constructor invokes the superclass constructor 
 
Overloading correct answers Having multiple methods with same name but different signatures in a class 
 
Overriding correct answers Overrides the functionality of an existing method but not if it is...
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MCIT 591 Final Exam with Complete Solution 2024
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MCIT 591 Final Exam with Complete Solution 2024 
What is the method signature for the main method of a Java program? - - main(String[] args) 
What is overloading? - - two methods that have the same name but different method signatures 
What is overriding? - - Declaring a method in a sub class which is already present in the parent 
class in order to make the method more specialized to that sub class 
True or False, assertEquals uses .Equals() - - True 
Define Upcasting - - Going to a more genera...
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CMSC 132 quiz 3 review(All solved)
- Exam (elaborations) • 8 pages • 2024
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Available in package deal
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- $11.29
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Lets say there is a class called Student that extends a class called Person and we write: 
 
Student s = .....; 
Person p = (Person)s; 
 
Is this up casting or down casting? will it work? correct answers This is upcasting and it will work without any issues. 
 
Lets say there is a class called Student that extends a class called Person and we write: 
 
Person p = ......; 
Student s = (Student)p; 
 
Is this up casting or down casting? will it work? correct answers This is down casting. It compile...
-
MCIT 591 Final Exam with Complete Solution 2024
- Exam (elaborations) • 4 pages • 2024
-
- $8.89
- + learn more
MCIT 591 Final Exam with Complete Solution 2024 
What is the method signature for the main method of a Java program? - - main(String[] args) 
What is overloading? - - two methods that have the same name but different method signatures 
What is overriding? - - Declaring a method in a sub class which is already present in the parent 
class in order to make the method more specialized to that sub class 
True or False, assertEquals uses .Equals() - - True 
Define Upcasting - - Going to a more genera...
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Cmsc 132 Exam 1 Review Questions And Answers With Verified Solutions Already Passed!!!
- Exam (elaborations) • 11 pages • 2024
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Cmsc 132 Exam 1 Review Questions And Answers With Verified Solutions Already Passed!!!
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CMSC132 Exam Test(A+ Graded)
- Exam (elaborations) • 6 pages • 2024
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Serializing Objects correct answers An object can be represented as a sequence of bytes that includes the objects data as well as information about the objects type and the types of data stored. 
 
Super() correct answers A method call in a sub class constructor invokes the superclass constructor 
 
Overloading correct answers Having multiple methods with same name but different signatures in a class 
 
Overriding correct answers Overrides the functionality of an existing method but not if it is...
-
CMSC 132 Exam 1 Review(100% Verified)
- Exam (elaborations) • 2 pages • 2024
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Abstraction correct answers Separates the interface from the algorithms 
 
Encapsulation correct answers Hides the algorithms and only provides the interface 
 
Abstract method correct answers All methods in an interface are abstract implicitly, unless "default" keyword 
 
In a non-interface, the class must be declared abstract 
 
"Is a" relationship correct answers Interfaces 
 
Enhanced for loop correct answers for (int index : someArray) 
 Sysout (index); 
 
Will print out each item in so...
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