Solutions to Exercises
8 The answer is false: a class cannot inherit constructors 9 Overriding a method means to replace an inherited method with another method that provides the same signature and the same return type but provides a new implementation
[PDF] 18UIT204 - Programming in Java UNIT 1 1 Encapsulation concept
is/are false statements A final class cannot be inherited Which cannot be inherited from a base class in Java programming Which are true statements about an interface in java? False statement about final method in java A Value of
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Different classes may have some common properties and behaviors 11 public Circle4(double radius, String color, boolean filled) A Java class may inherit directly from only one Like an instance method, a static method can be inherited
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Rectangle Inheritance - idea Use extends keyword to tell that one class inherits from public boolean isFilled; super can be used to call method from superclass public static void main(String[] args) { A a = new A(); a p(10); } } class B {
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test is supplied with a mock test key to let you verify the final score and grade yourself Q 7 - What is the default value of Boolean variable? A - true A - Variables, methods and constructors which are declared public can be accessed by any class C - inheritance is a technique to define different methods of same type
[PDF] AP Computer Science Review for Chapter 9 Test 1 Multiple-Choice
D) ensure that the class can not throw a NullPointerException 8) Java does not support multiple inheritance, but some of the abilities of multiple inheritance
[PDF] interface is not a class - CMSC 132: Object-Oriented Programming II
All abstract, default, and static methods in an interface are implicitly public, so you A class implementing an interface can implement additional methods • A class can implement several interfaces Java lacks multiple inheritance, but there is an alternative boolean isAmateur( ): Does this athlete have amateur status?
[PDF] interface - CMSC 132: Object-Oriented Programming II
inheritance without the potential confusion of multiple bases classes having conflicts All abstract, default, and static methods in an interface are implicitly • public, so many classes can implement the same interface 23 A True B False
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20 jan 2006 · OOP: True or False The “is-a” relation is implemented by inheritance A variable of a class may be assigned an object from any of its
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