Exercise 2:Consider the following class:public class Sequence{private ArrayList values;public Sequence() { values = new ArrayList(); }public void add(int n) { values.add(n); }public String toString() { return values.toString(); }}Add a methodpublic Sequence merge(Sequence other)that merges two sequences, alternating ele-ments from both sequences. If one sequence is shorter than the other, then alternateas long as you can and then append the remaining elements from the longersequence. For example, if a is1 4 9 16and b is9 7 4 9 11then a.merge(b) returns the sequence1 9 4 7 9 4 16 9 11without modifying a or b.

Given Exercise 2: Consider the following class: public class Sequence private…

sider the following class: blic class Sequence private ArrayList values; public Sequence() { values new ArrayList(); } public void add(int n) { values.add(n); } public String toString() { return values.toString(); }

sider the following class: blic class Sequence private ArrayList values; public Sequence() { values new ArrayList(); } public void add(int n) { values.add(n); } public String toString() { return values.toString(); }

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

Array

The simplest way to start thinking about an array is as a collection, or a set of elements. In programming, these elements may be constants, variables, functions and pointers.

Question

Exercise 2:
Consider the following class:
public class Sequence
{
private ArrayList<Integer> values;
public Sequence() { values = new ArrayList<Integer>(); }
public void add(int n) { values.add(n); }
public String toString() { return values.toString(); }
}
Add a method
public Sequence merge(Sequence other)
that merges two sequences, alternating ele-
ments from both sequences. If one sequence is shorter than the other, then alternate
as long as you can and then append the remaining elements from the longer
sequence. For example, if a is
1 4 9 16
and b is
9 7 4 9 11
then a.merge(b) returns the sequence
1 9 4 7 9 4 16 9 11
without modifying a or b.

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