4. How to remove white spaces from a string in Java : best ways
by To remove white spaces from a string in Java, you can use the replaceAll() method from the String class along with a regular expression. Here’s an example:
Category: String
string in java
How to check whether a string is a palindrome in Java?
You can check whether a string is a palindrome in Java by reversing the string and comparing it to the original string. If both the reversed and original strings are equal, then the string is a palindrome. Here is an example code snippet:
How to check if a vowel is present in a string.
In this program, check if a vowel is present in a string ,so we first ask the user to enter a string using the Scanner class. We then loop through each character in the string and check if it’s a vowel (either lowercase or uppercase). If we find a vowel, we set the vowelPresent variable to true and break out of the loop. Finally, we print a message depending on whether a vowel was found or not.
How to reverse a string in Java?
You can reverse a string in Java by using the StringBuilder class which has a built-in reverse() method. Here’s an example code: