Java Questions - Based on each code, which answer out of the choices "A, B, C, D, E" is correct. Each question has one correct answer. Thank you. Part 1 - 6. Given the following code, the output is __. class Apple { int x = 15; } class Banana extends Apple { int x = 25; } public class Sample { public static void main(String[] args) { Apple a1 = new Banana(); System.out.println(a1.x); } } A. Compiler error B. 25 C. 15 D. 0 E. None of the options

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
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Java Questions - Based on each code, which answer out of the choices "A, B, C, D, E" is correct. Each question has one correct answer. Thank you.

Part 1 - 6. Given the following code, the output is __.

class Apple { int x = 15; }
class Banana extends Apple { int x = 25; }
public class Sample {
public static void main(String[] args) {
Apple a1 = new Banana();
System.out.println(a1.x);
}
}

A. Compiler error
B. 25
C. 15
D. 0
E. None of the options

Part 2 - 7. Which is possibly a composite class?

class Seed { ... }
class Fruit { Seed s1 = new Seed(); }
class Apple extends Fruits { ... }
class Orange extends Apple { ... }
class ApplePie { ApplePie a1 = new ApplePie(); }

A. Fruit
B. Apple
C. ApplePie
D. Orange
E. Seed

Part 3 - 10. Given the following code, which statement is true?

class Water() { ... }
class Juice() extends Water { ... }
class Apple() { ... }
class ApplePie() { Apple a1 = new Apple(); }
class AppleJuice() { Apple a1 = new Apple(); Water w1 = new
Water(); }

A. Juice is a superclass and Water is a subclass.
B. ApplePie is a superclass of Apple.
C. ApplePie is a composite class that contains an instance of Apple class.
D. AppleJuice is a superclass that contains an instance of Apple class and an instance of Water.
E. Water is a composite class that contains an instance of Juice.

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