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Which of the following is the correct rule of method overridden? I. Same method name. Match the type and number of parameters list. II. I. Can be any of method type. IV. Match with the method type. A. I and II B. I, Il and IV C. I, Il and III D. I and IV

Which of the following is the correct rule of method overridden? I. Same method name. Match the type and number of parameters list. II. I. Can be any of method type. IV. Match with the method type. A. I and II B. I, Il and IV C. I, Il and III D. I and IV

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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9. Which of the following is the correct rule of method overridden? Same method name. Match the type and number of parameters list. Can be any of method type. I. I. III. IV. Match with the method type. A. I and II B. I, Il and IV C. I, Il and II D. I and IV 10. Which of the following is NOT referred to the used of keyword this in Java? A. Used to call the copy constructor of the super class. Referred to the current class instance variable. В. C. Used to invoke the current class constructor. D. Referred to the current of an instance method or a constructor. 11. Which of the following are CORRECT differences between Java and C++ programs? Java program supports method overloading while C++ supports operator and method overloading. I. I. Java supports both structures and object concept while C++ supports structures only. III. Java uses compiler and interpreter while C++ uses compiler only. IV. Java supports single inheritance while C++ supports multiple inheritance. A. I, II, III and IV B. III and IV C. I, III and IV D. II, III and IV 12. Given the following statement about the object concept: "Providing only essential information about the data to the outside world, hiding the background details or implementation." Which of the following OOP concept that relates to the above statement? A. Abstraction B. Encapsulation С. Inheritance D. Polymorphism
Transcribed Image Text:9. Which of the following is the correct rule of method overridden? Same method name. Match the type and number of parameters list. Can be any of method type. I. I. III. IV. Match with the method type. A. I and II B. I, Il and IV C. I, Il and II D. I and IV 10. Which of the following is NOT referred to the used of keyword this in Java? A. Used to call the copy constructor of the super class. Referred to the current class instance variable. В. C. Used to invoke the current class constructor. D. Referred to the current of an instance method or a constructor. 11. Which of the following are CORRECT differences between Java and C++ programs? Java program supports method overloading while C++ supports operator and method overloading. I. I. Java supports both structures and object concept while C++ supports structures only. III. Java uses compiler and interpreter while C++ uses compiler only. IV. Java supports single inheritance while C++ supports multiple inheritance. A. I, II, III and IV B. III and IV C. I, III and IV D. II, III and IV 12. Given the following statement about the object concept: "Providing only essential information about the data to the outside world, hiding the background details or implementation." Which of the following OOP concept that relates to the above statement? A. Abstraction B. Encapsulation С. Inheritance D. Polymorphism
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