import java.util.ArrayList;
import java.util.List;
public class CoreFrameworkDemo {
public static void main(String[] args) {
String str = "Hello, World!";
String upperCaseStr = str.toUpperCase();
System.out.println(upperCaseStr);
List<String> list = new ArrayList<>();
list.add("Java");
list.add("is");
list.add("awesome");
for (String element : list) {
System.out.println(element);
}
}
}
