Q4. Which of the following code samples can be compiled successfully? Assume thatall the classes are defined in separate files.Sample 1class AA {public AA (int i) {System.out.print ("AA");}class BB extends AA {public BB(int i) {System.out.print("BB");Sample 2class CC {public CC (int i) {System.out.print ("CC");class DD extends CC {public DD(int i) {super (i);System.out.print ("DD");Sample 3class EE {class FF extends EE {public FF(int i) {System.out.print("FF");// Empty

Sample 2 and Sample 3 can be compiled successfully.

Q4. Which of the following code samples can be compiled successfully? Assume that all the classes are defined in separate files. Sample 1 class AA { class BB extends AA { public BB(int i) { System.out.print("BB"); public AA(int i) { System.out.print ("AA"); Sample 2 class CC { public CC (int i) { System.out.print ("CC"); } class DD extends CC { public DD(int i) { super (i); System.out.print("DD"); Sample 3 class EE { class FF extends EE { public FF(int i) { System.out.print("FF"); // Empty

Q4. Which of the following code samples can be compiled successfully? Assume that all the classes are defined in separate files. Sample 1 class AA { class BB extends AA { public BB(int i) { System.out.print("BB"); public AA(int i) { System.out.print ("AA"); Sample 2 class CC { public CC (int i) { System.out.print ("CC"); } class DD extends CC { public DD(int i) { super (i); System.out.print("DD"); Sample 3 class EE { class FF extends EE { public FF(int i) { System.out.print("FF"); // Empty

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

Problem 1PE

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Concept explainers

OOPs

In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.

Constructor

The easiest way to think of a constructor in object-oriented programming (OOP) languages is:

Question

100%

Q4. Which of the following code samples can be compiled successfully? Assume that
all the classes are defined in separate files.
Sample 1
class AA {
public AA (int i) {
System.out.print ("AA");
}
class BB extends AA {
public BB(int i) {
System.out.print("BB");
Sample 2
class CC {
public CC (int i) {
System.out.print ("CC");
class DD extends CC {
public DD(int i) {
super (i);
System.out.print ("DD");
Sample 3
class EE {
class FF extends EE {
public FF(int i) {
System.out.print("FF");
// Empty

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