Java Quizzes Java Language Constructors-And-Methods

Directions:
public class Test{
      public static void main(String[] args){
            String value = "abc";
            changeValue(value);
            System.out.println(value);
      }

      public static void changeValue(String a){
            a = "xyz";
      }
}

Question:
What will be the output?

Option A):
abc 
Option B):
xyz
Option C):
Compilation clean but no output
Option D):
Compilation fails

Correct Answer is Option A):
abc