public void printHomoErectus() {
        System.out.println("Homo Erectus is most likely the ancestor of modern humans.");
        // A lot of code can be inside methods :)
        // A lot of code can be inside methods :)
        // A lot of code can be inside methods :)
        // A lot of code can be inside methods :)
        // A lot of code can be inside methods :)
        // A lot of code can be inside methods :)
        // A lot of code can be inside methods :)
        // A lot of code can be inside methods :)
    }
public void printHomoErectus()