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Write a Java method called isVowel that checks the received letter is vowel (returns true) or not (returns false). Check the following pre-conditions and post-conditions of this method using assertions which are: pre-condition: the received character (char) must be a letter post-condition: if the letter is vowel the method must return true, otherwise, it returns false. Test your method with different characters (a vowel, a non-vowel, and non-letter)

Write a Java method called isVowel that checks the received letter is vowel (returns true) or not (returns false). Check the following pre-conditions and post-conditions of this method using assertions which are: pre-condition: the received character (char) must be a letter post-condition: if the letter is vowel the method must return true, otherwise, it returns false. Test your method with different characters (a vowel, a non-vowel, and non-letter)

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
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USING JAVA

8.5. Exercise 4 Write a Java method called isVowel that checks the received letter is vowel (returns true) or not (returns false). Check the following pre-conditions and post-conditions of this method using assertions which are: • pre-condition: the received character (char) must be a letter post-condition: if the letter is vowel the method must return true, otherwise, it returns false. Test your method with different characters (a vowel, a non-vowel, and non-letter)
Transcribed Image Text:8.5. Exercise 4 Write a Java method called isVowel that checks the received letter is vowel (returns true) or not (returns false). Check the following pre-conditions and post-conditions of this method using assertions which are: • pre-condition: the received character (char) must be a letter post-condition: if the letter is vowel the method must return true, otherwise, it returns false. Test your method with different characters (a vowel, a non-vowel, and non-letter)
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