Java Questions - (Has 2 Parts). 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 - 3. Given the following code, the output is __. class Base { private int x = 5; } class Derived extends Base { x = 6; } public class Sample {  public static void main(String[] args) {   int x = 7;   Derived d1 = new Derived();   System.out.print(d1.x);  } } A. 0 B. 5 C. 6 D. 7 E. Error message Part 2 - 4. A class Animal has a subclass Mammal. Which of the following is true? A. class Animal extends Mammal { } B. class Mammal extends Animal { } C. class Animal implements Mammal { } D. class Mammal implements Animal { } E. class Mammal { Animal a1 = new Animal(); }

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 - (Has 2 Parts). 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 - 3. Given the following code, the output is __.

class Base { private int x = 5; }
class Derived extends Base { x = 6; }
public class Sample {
 public static void main(String[] args) {
  int x = 7;
  Derived d1 = new Derived();
  System.out.print(d1.x);
 }
}

A. 0
B. 5
C. 6
D. 7
E. Error message

Part 2 - 4. A class Animal has a subclass Mammal. Which of the following is true?

A. class Animal extends Mammal { }
B. class Mammal extends Animal { }
C. class Animal implements Mammal { }
D. class Mammal implements Animal { }
E. class Mammal { Animal a1 = new Animal(); }

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