Implement a new concat method in the String class you worked on for HW2. The method should return a new String object that represents the text you would end up with if the argument String were "added onto the end of" this String. For example, in the code below, the String object answer should represent the text "bookstore" and true should be printed the screen. char[] bookA = {'b', 'o', 'o', 'k'}; char[] storeA = {'s', 't', 'o', 'r', 'e'}; char[] bookstoreA = {'b', 'o', 'o', 'k', 's', 't', 'o', 'r', 'e'}; String book = new String(bookA); String store = new String(storeA); String bookstore = new String(bookstoreA); String answer = book.concat(store); System.out.println(answer.equals(bookstore)); In the text area below, type in your definition of the concat method. (In other words, type in the code that should replace the //TODO comment.) Your code cannot call any methods. public class String { private char[] data; public String(char[] value) { data = new char[value.length]; for(int i = 0; i < value.length; i++) data[i] = value[i]; } /* text for other methods not listed for the sake of space */ public String concat(String other) { // TODO } }

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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Implement a new concat method in the String class you worked on for HW2. The method should return a new String object that represents the text you would end up with if the argument String were "added onto the end of" this String. For example, in the code below, the String object answer should represent the text "bookstore" and true should be printed the screen.

char[] bookA = {'b', 'o', 'o', 'k'};

char[] storeA = {'s', 't', 'o', 'r', 'e'};

char[] bookstoreA = {'b', 'o', 'o', 'k', 's', 't', 'o', 'r', 'e'};

String book = new String(bookA);

String store = new String(storeA);

String bookstore = new String(bookstoreA);

String answer = book.concat(store);

System.out.println(answer.equals(bookstore));

In the text area below, type in your definition of the concat method. (In other words, type in the code that should replace the //TODO comment.) Your code cannot call any methods.

public class String {

private char[] data;

public String(char[] value) {

data = new char[value.length];

for(int i = 0; i < value.length; i++)

data[i] = value[i];

}

/* text for other methods not listed for the sake of space */

public String concat(String other) {

// TODO

}

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