Autoboxing unboxing - Study guides, Class notes & Summaries

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Strings are_____ - correct answer immutable immutable definition - correct answer The character contents can no longer be changed. == - correct answer compares instance(address of the object) equals - correct answer compares content of String Objects equalsignoreCase - correct answer ...

Abstraction correct answer: hiding implementation details from other systems. Information hiding. Von Neumann Architecture correct answer: I/O, CPU, Memory. Encapsulation correct answer: constructs that aid in the bundling of data with methods operating on that data. Restricts access to some of an object's components. Use the most restrictive access modifiers possible. Fields are typically marked private. Expressions correct answer: combines variables, literals, operators, and meth...

Cmsc 132 Exam 1 Review Questions And Answers With Verified Solutions Already Passed!!!

What is an "instance" member? correct answers a member that belongs to an Instance of an object What is a "static" member? correct answers member that belongs to the class itself and does not require an instance of an object True/False: a. A class can implement numerous interfaces. b. Interfaces are useful for inheritance. c. Interfaces are useful for polymorphism. d. A class implementing an interface must implement... i. The public methods in the interface. ii. Methods in...

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...

The - indicates a class' private item. True False - answer true The + indicates additional private items. True False - answer false In addNumYears(), which line adds the parameter numYears to the existing value of field numYears? Years = Years + numYears; Years = numYears + numYears; numYears = Years + numYears; - answer a In addNumYears(), which line assigns the field numYears with 0? numYears = 0; this(numYears) = 0; Years = 0; - answer c In addNu...

CMSC 132 Exam 1 Review With 100% Correct And Verified Answers 2024