// ----------
// Hello.java
// ----------

/*
javac -Xlint Hello.java
java  -ea HelloTest
*/

import static java.lang.System.out;

final class HelloTest {
    public static void main (String[] args) {
        out.println("Hello " + 2 + " " + 3.4);

        out.printf("%s %d %f\n", "Hello", 2, 3.4);

        final String s = String.format("%s %d %f\n", "Hello", 2, 3.4);
        out.print(s);}}