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CMSC 132 Exam 1 Review Questions & Answers 2024/2025
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CMSC 132 Exam 1 Review Questions & Answers 2024/2025
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CMSC 132 Exam 1 Review Questions &Answers 2024/2025
Abstraction - ANSWERSSeparates the interface from the algorithms
Encapsulation - ANSWERSHides the algorithms and only provides the interface
Abstract method - ANSWERSAll methods in an interface are abstract implicitly, unless "default" keyword
In a non-interface, the class must be declared abstract
"Is a" relationship - ANSWERSInterfaces
Enhanced for loop - ANSWERSfor (int index : someArray)
Sysout (index);
Will print out each item in someArray
Autoboxing & Unboxing - ANSWERSJava will automatically convert from primitive data type to its
matching Object (int + Integer, double + Double, etc.)
Annotations - ANSWERSInforms compiler of goal, if code does not achieve goal, will not compile
Overriding vs. Overloading - ANSWERSOverriding - same name and same parameters
Overloading - same name but different parameters
Early (static) binding - ANSWERSPerson p= new Faculty ("Carol");
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