4. Write a method that returns a string consistent with the progression: x xx xxx xxx xxxxx The method input should dictate the length of the pattern. For simplicity, interpret a negative value positively; that is, use absolute value (your absolute value method, not Math.abs).

4. Write a method that returns a string consistent with the progression: x xx xxx xxx xxxxx The method input should dictate the length of the pattern. For simplicity, interpret a negative value positively; that is, use absolute value (your absolute value method, not Math.abs).

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

Methods of StringBuilder class

The StringBuilder class can be used to create mutable strings. The methods defined in the StringBuilder class are widely used to manipulate and concatenate strings. It is a non-synchronized class which has public methods that can be accessed by multiple threads. It is not thread-safe.

Question

Each of the following methods should be static and defined in a class called Utilities. Implement
a second class called Tester that calls each of these methods.

4. Write a method that returns a string consistent with the progression:
x xx xxx xxXx xxxxx
The method input should dictate the length of the pattern. For simplicity, interpret a negative value
positively; that is, use absolute value (your absolute value method, not Math.abs).

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