To Upper and Lower Case in Java

import java.lang.String;
public class abejeroact48 {
public static void main(String []Args) {

String name = "sam";
String name2 = "ANA";

String b = name2.toLowerCase();
String b2 = name.toUpperCase();

System.out.println("Lower Case\t" +b);
System.out.println("Upper Case\t" +b2);

}
}