Write a Regular expression that check whether a string contains an Vowel or not? You have also include the driver code in Java Language. Your driver code should take string from the user.

Q: Write an application that reads an integer and determines and prints whether it’s odd or even.…

A: Output 1: Output 2:

Q: Write a class with a constructor that accepts a String object as its argument. The class should have…

A: Ask the user to enter the string. Check the number of vowel in it.  Check the number of consonant in…

Q: n java What is the difference between a String set to null and a String set to ""?

A: Given data is shown below: in java What is the difference between a String set to null and a…

Q: Write a code fragment that prints the characters in a String object called str backward. You may…

A: Given data is shown below: Write a code fragment that prints the characters in a String object…

Q: Write a Regular expression that check whether a string contains an Vowel or not? You have also…

A: Given a string ‘str’, the task is to find whether the vowels in the string are in alphabetical order…

Q: b) What is the difference between StringBuilder and String?

A:

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.