solve by writing java code method to Calculate Exponents: Write a method named calculatePower tha

takes two integers, base and exponent, and returns the result of raising the

base to the power of the exponent. Do not use Math.pow for this method; use a

loop instead.

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$2.$ Prime Number Checker: Implement a method named isPrime that takes an

integer and returns true if the number is prime and false otherwise. Use a for

loop to check divisibility.

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$3.$ Method to Reverse Numbers: Create a method named reverseNumber that

takes an integer and returns its reverse. For example, if the input is $123,$ the

output should be $321.$

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$4.$ Temperature Conversion Method: Write a method named

convertTemperature that converts temperature from Fahrenheit to Celsius and

vice versa. The method should take a double temperature and a char for the

unit to convert to $(\text{'}$F$\text{'}$ or $\text{'}$C$\text{'})$ and return the converted value.

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$5.$ Palindrome Checker Method: Write a method named isPalindrome that

checks if a given string is a palindrome $($reads the same backward as forward$).$

This method should return a boolean value.

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$6.$ Counting Vowels Method: Implement a method named countVowels that

takes a string and returns the number of vowels in the string. Use a loop to

iterate through the string.

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$7.$ Sum of Digits Method: Write a method named sumOfDigits that takes an

integer and returns the sum of its digits. For example, the sum of the digits of

$1234$ would be $10.$

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$8.$ Drawing Patterns Method: Implement a method named drawPattern that takes

an integer n and prints a pattern of asterisks $(*)$ in n rows, with each row

containing an incrementing number of asterisks. Use nested loops to accomplish

this.

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$9.$ Factorial Calculator Method: Write a method named calculateFactorial that

takes an integer and returns its factorial using a while loop.

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