1. What is process of defining two or more methods within same classthat have same name but different parameters declaration?a] method overloadingb] method overridingc] method hidingd] None of the mentionedAnswer: aExplanation: Two or more methods can have same name as long astheir parameters declaration is different, the methods are said to beoverloaded and process is called method overloading. Methodoverloading is a way by which Java implements polymorphism.View Answer
2. Which of these can be overloaded?
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Systems Analysis and Design
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c] All of the mentionedd] None of the mentionedView Answer
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Explanation: None.3. Which of these is correct about passing an argument by call-by-valueprocess?View Answer
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4. What is the process of defining a method in terms of itself, that is amethod that calls itself?
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c] Encapsulationd] RecursionView AnswerAnswer: dExplanation: None.5. Which of the following statements are incorrect?a] Default constructor is called at the time of declaration of the object ifa constructor has not been defined.b] Constructor can be parameterized.c] finalize[] method is called when a object goes out of scope and is nolonger needed.d] finalize[] method must be declared protected.View AnswerAnswer: cExplanation: finalize[] method is called just prior to garbage collection.It is not called when object goes out of scope.
6. What is the output of this program?
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x =a + 2;}}classOverload_methods {publicstaticvoidmain[String args[]]{overload obj =newoverload[];inta = 0;obj.add[6];System.out.println[obj.x];}}
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Related The process of defining two or more methods within the same class that have the same name but different parameters list is _______.a]method overloadingb]method overridingc]Encapsulationd]InheritanceCorrect answer is option 'A'. Can you explain this answer?
Two or more methods can have the same name as long as their parameters declaration and definitions are different, the methods are said to be overloaded and the process is called method overloading. Method overloading is used when methods are required to perform similar tasks using different input parameters.
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Two or more methods can have the same name as long as their parameters declaration and definitions are different, the methods are said to be overloaded and the process is called method overloading. Method overloading is used when methods are required to perform similar tasks using different input parameters.