System. out.println(greeting); } This simplification enhances Java's flexibility and ease of use, especially for beginners still getting comfortable with core programming concepts.

Say goodbye to the public static void main method in Java 21 with the unnamed classes and instance main methods preview features.

return palindromeCheck (s.substring(1, s.length()-1)); } return false; } /* End of Java String palindrome checker method */ } /* End of Java palindrome program */ Example Java palindrome checker ...

Java 8 introduced interface-based static methods because it’s often convenient to associate utility methods with interfaces instead of associating them with utility classes.