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2. Declare and implement a class named BinaryStrings. The class will contain the following methods: incBinary(String b) - returns b+1 in binary. //examples - incBinary("101")= "110", incBinary("111")= "1000" • decBinary(String b) - returns b-1 in binary assuming b contains at least one 1s. //examples - decBinary("101")= "100", decBinary("100") = "11" • printBinary(int n) - prints 0 to n in binary calling incBinary() method repeatedly. //examples - printBinary(15) must print 0, 1, 10, 11, 100, 101, 110, 111, 1000, 1001, 1010, 1011, 1100, 1101, 1110, 1111 in this order. Note: You will have to manipulate the given string parameter b directly without changing it to numeric value like int or long in both incBinary and decBinary methods. • You are not allowed to use any build-in methods that change decimal to binary or binary to decimal either. . .length(), .charAt(), .indexOf(), .lastIndexOf(), and .substring() are the only built-in methods allowed.

2. Declare and implement a class named BinaryStrings. The class will contain the following methods: incBinary(String b) - returns b+1 in binary. //examples - incBinary("101")= "110", incBinary("111")= "1000" • decBinary(String b) - returns b-1 in binary assuming b contains at least one 1s. //examples - decBinary("101")= "100", decBinary("100") = "11" • printBinary(int n) - prints 0 to n in binary calling incBinary() method repeatedly. //examples - printBinary(15) must print 0, 1, 10, 11, 100, 101, 110, 111, 1000, 1001, 1010, 1011, 1100, 1101, 1110, 1111 in this order. Note: You will have to manipulate the given string parameter b directly without changing it to numeric value like int or long in both incBinary and decBinary methods. • You are not allowed to use any build-in methods that change decimal to binary or binary to decimal either. . .length(), .charAt(), .indexOf(), .lastIndexOf(), and .substring() are the only built-in methods allowed.

Database System Concepts
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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Could use some help on this Java exercise. We have started using arrays in class. What is making this difficult for me is the very specific rules I have to follow. The rules are listed in the "notes" section. Any help would be appreciated.

2. Declare and implement a class named BinaryStrings. The class will contain the following methods: incBinary(String b) - returns b+1 in binary. //examples - incBinary("101") = "110", incBinary("111")= "1000" • decBinary(String b)- returns b-1 in binary assuming b contains at least one 1s. //examples - decBinary("101")= "100", decBinary("100") = "11" printBinary(int n) - prints 0 to n in binary calling incBinary() method repeatedly. //examples - printBinary(15) must print 0, 1, 10, 11, 100, 101, 110, 111, 1000, 1001, 1010, 1011, 1100, 1101, 1110, 1111 in this order. Note: • You will have to manipulate the given string parameter b directly without changing it to numeric value like int or long in both incBinary and decBinary methods. • You are not allowed to use any build-in methods that change decimal to binary or binary to decimal either. • .length(), .charAt(), .indexOf(), .lastIndexOf(), and .substring() are the only built-in methods allowed.
Transcribed Image Text:2. Declare and implement a class named BinaryStrings. The class will contain the following methods: incBinary(String b) - returns b+1 in binary. //examples - incBinary("101") = "110", incBinary("111")= "1000" • decBinary(String b)- returns b-1 in binary assuming b contains at least one 1s. //examples - decBinary("101")= "100", decBinary("100") = "11" printBinary(int n) - prints 0 to n in binary calling incBinary() method repeatedly. //examples - printBinary(15) must print 0, 1, 10, 11, 100, 101, 110, 111, 1000, 1001, 1010, 1011, 1100, 1101, 1110, 1111 in this order. Note: • You will have to manipulate the given string parameter b directly without changing it to numeric value like int or long in both incBinary and decBinary methods. • You are not allowed to use any build-in methods that change decimal to binary or binary to decimal either. • .length(), .charAt(), .indexOf(), .lastIndexOf(), and .substring() are the only built-in methods allowed.
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