Answered: The implementations of the methods…

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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Question

The implementations of the methods

addAll,

removeAll,

retainAll,

containsAll(),

and

toArray(T[])

are omitted in the

MyList

interface. Implement these methods.

Use the template at

https://liveexample.pearsoncmg.com/test/Exercise24_01_13e.txt

to implement these methods

this the code i have for the write your own code part

import java.util.Iterator;

interface MyList<E> extends java.util.Collection<E> {
void add(int index, E e);
boolean contains(Object e);
E get(int index);
int indexOf(Object e);
int lastIndexOf(E e);
E remove(int index);
E set(int index, E e);
void clear();
boolean isEmpty();
Iterator<E> iterator();
boolean containsAll(java.util.Collection<?> c);
boolean addAll(java.util.Collection<? extends E> c);
boolean removeAll(java.util.Collection<?> c);
boolean retainAll(java.util.Collection<?> c);
Object[] toArray();
<T> T[] toArray(T[] a);
int size();
}

and its giving me this error Exercise24_01.java:248: error: class, interface, or enum expected }import java.util.Iterator;

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