Identify the error in the following codes with explanation. 1- class X { //Class X Members } class Y{ //Class Y Members } class Z extends X, Y { //Class Z Members }

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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Identify the error in the following codes with explanation.
1-
class X{ //Class X Members }
class Y{ //Class Y Members }
class Z extends X, Y { //Class Z Members }
2-
class X { public X(int i)
{ System.out.println(1);
class Y extends X {
public Y() { System.out.println(2); } }
3-
public class A {
public A()
{
System.out.println(1);
System.out.println(2); } }
super();
4-
public class A {
public A() {
super();
this(10); }
public A(int i) { System.out.println(i); } }
Transcribed Image Text:Identify the error in the following codes with explanation. 1- class X{ //Class X Members } class Y{ //Class Y Members } class Z extends X, Y { //Class Z Members } 2- class X { public X(int i) { System.out.println(1); class Y extends X { public Y() { System.out.println(2); } } 3- public class A { public A() { System.out.println(1); System.out.println(2); } } super(); 4- public class A { public A() { super(); this(10); } public A(int i) { System.out.println(i); } }
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