String Immutable Java

public class StringExample {
    public static void main(String[] args) {
        String str = "Hello";
        System.out.println("Original String: " + str);

        // Concatenation creates a new String object
        str = str + " World";
        System.out.println("Modified String: " + str);

        // Original String object remains unchanged
        System.out.println("Original String after modification: Hello");
    }
}