CMSC132(Complete solutions)

Abstraction provides correct answers high level model of activity Procedural abstraction correct answers Specifies actions performed hides algorithms Data abstraction correct answers Specifies data objects for the problem Hides implementations Encapsulation correct answers hides implement...

What is the only time that data from your program exists? correct answers When the program is actually running All parameters in Java are passed by _________ correct answers Value When does a parameter come into existence? correct answers When the method is called When do types come into ex...

Subclasses correct answers - inherits all properties, behaviors, and fields of its superclass - inherits private fields and methods in its superclasses, but it cannot directly access them - can have more methods than its superclass - classes can only extend one superclass - subclass is a type of...

What is the main reason software projects fail? correct answers Complexity of projects What is the program life-cycle? correct answers Problem Specification, Program Design, Algorithms and Data Structures, Coding and Debugging, Testing and Verification, Deployment, Documentation and Support, Main...

What do you find in a java interface? correct answers method prototypes, final static variables, static methods (note: instance methods are ok if you use the term 'default'). The classes that implement an interface must implement ___________ correct answers Instance methods from interface (note...

Recursion correct answers A strategy for solving problems where a method calls itself Recursion relies on the runtime call stack 'every method invocation gets its own stack space Tail recursion correct answers -Single recursive call thats the last thing performed in the method 'can easily ...

Provide an example that illustrates procedural abstraction correct answers One example: a function that sorts data, but we don't indicate how to sort it. the private access specifier correct answers Mention one Java language feature that allow us to implement encapsulation. Yes, as finalize()...

Three data structures that can implement the List abstract data type (ADT) are _____________, ______________, and _____________. correct answers arrays, linked lists, doubly linked lists (T/F) Arrays are part of the actual Java language. correct answers TRUE. (They are not part of the library) ...

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 ...

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. ...

Multithreading Problems correct answers We want computer systems to be able to perform many tasks simultaneously How do we do this? Multiprocessing- Multiple processing units allow a system to actually work on several tasks in parallel Multitasking- OS managed Concurrent programming correct...

When implementing a linked list class, the inner class representing the nodes serves as a __________ around a piece of _________ and a reference to another node. correct answers wrapper, data What does an empty linked list look like? correct answers head ---> null Use a for loop to traverse...

operands, results correct answers Where do o__ come from? Where do the r__ go? ALU, memory, processor correct answers 3 Machine Models: A__ M__ P__ stack, accumulator, general-purpose register correct answers 3 main types of instruction sets s__ a__ g__ organization of registers, access mem...

What is a class in Java? correct answers A class in Java is a blueprint for creating objects. It defines a data structure that includes variables and methods. Classes provide a means for bundling data and methods that operate on the data into one unit. How is an object created in Java? correct an...