Need help with 8,9, and 10 if possible.Java Coding 8. Write a public static method named isProdOfAllNegativelnts Negative that takes in 1 int argumentand returns true if the product of all the values between -1 and that number is negative, and falseotherwise.9. Write a public static method named getCharAtIndex that takes in 2 arguments, a Strings, and anint index. The method should return the char found at the index location of the string or if not foundreturn a '?'10. Write a public static method named getCountOfCharlnString that takes in 2 arguments, a String s,and a char c. The method should return an int representing the number of times the char was foundwithin the string.11. Write a public static method named getString Reversed that takes in 1 argument of type String andreturns the String in reverse order.12. Write a public static method named getString Title Cased that takes in 1 argument of type String andcapitalizes the first letter of each word in the String, then returns the title cased string.Special cases (error checking):• If the string is null, the method should return a blank string, "".•If the string is the blank string, "", the method should return the blank string.•If the length of the string is 0, the method should return a blank string.Example:Input: "the dog ate my homework!"Input: "tHe Dog atE My HOMEWORK!"Input: "THE DOG ATE MY HOMEWORK!"Returns: "The Dog Ate My Homework!"Returns: "The Dog Ate My Homework!"Returns: "The Dog Ate My Homework!"

- We need to code for the problems 8,9 and 10 in Java.

8. Write a public static method named isProdOfAllNegativelnts Negative that takes in 1 int argument and returns true if the product of all the values between-1 and that number is negative, and false otherwise. 9. Write a public static method named getCharAtIndex that takes in 2 arguments, a String s, and an int index. The method should return the char found at the index location of the string or if not found return a '?' 10. Write a public static method named getCountOfCharlnString that takes in 2 arguments, a Strings, and a char c. The method should return an int representing the number of times the char was found within the string.

8. Write a public static method named isProdOfAllNegativelnts Negative that takes in 1 int argument and returns true if the product of all the values between-1 and that number is negative, and false otherwise. 9. Write a public static method named getCharAtIndex that takes in 2 arguments, a String s, and an int index. The method should return the char found at the index location of the string or if not found return a '?' 10. Write a public static method named getCountOfCharlnString that takes in 2 arguments, a Strings, and a char c. The method should return an int representing the number of times the char was found within the string.

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

Need help with 8,9, and 10 if possible.

Java Coding

8. Write a public static method named isProdOfAllNegativelnts Negative that takes in 1 int argument
and returns true if the product of all the values between -1 and that number is negative, and false
otherwise.
9. Write a public static method named getCharAtIndex that takes in 2 arguments, a Strings, and an
int index. The method should return the char found at the index location of the string or if not found
return a '?'
10. Write a public static method named getCountOfCharlnString that takes in 2 arguments, a String s,
and a char c. The method should return an int representing the number of times the char was found
within the string.
11. Write a public static method named getString Reversed that takes in 1 argument of type String and
returns the String in reverse order.
12. Write a public static method named getString Title Cased that takes in 1 argument of type String and
capitalizes the first letter of each word in the String, then returns the title cased string.
Special cases (error checking):
• If the string is null, the method should return a blank string, "".
•
If the string is the blank string, "", the method should return the blank string.
•
If the length of the string is 0, the method should return a blank string.
Example:
Input: "the dog ate my homework!"
Input: "tHe Dog atE My HOMEWORK!"
Input: "THE DOG ATE MY HOMEWORK!"
Returns: "The Dog Ate My Homework!"
Returns: "The Dog Ate My Homework!"
Returns: "The Dog Ate My Homework!"

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