TurkuBasicOOPinJava / Week 5: Class hierarchies /12B. Add a method toString
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In the program, a class named 'Movie' is defined.
Add a toString method to the class that returns the movie's details as a string in the following format:
MovieName (Director's Name), duration min.
For example:
public static void main(String[] args) {
Movie m = new Movie("Java and Me", "James Java", 93);
System.out.println(m);
}
The program prints:
James Java (Java and Me), 93 min.
import java.util.Random;
public class Test{
public static void main(String[] args){
final Random r = new Random();
System.out.println("Creating movie object with parameters");
System.out.println("(Senior Spielbergo, A.T., 111");
Movie m = new Movie("Senior Spielbergo", "A.T.", 111);
System.out.println("Printout: " + m);
System.out.println("");
System.out.println("Creating movie object with parameters");
System.out.println("(George Lucas, Jonas of Impivaara, 142");
m = new Movie("George Lucas", "Jonas of Impivaara", 142);
System.out.println("Printout: " + m);
System.out.println("");
System.out.println("Creating movie object with parameters");
System.out.println("(Speed Johnson, Uno in Armenia, 93");
m = new Movie("Speed Johnson", "Uno in Armenia", 93);
System.out.println("Printout: " + m);
System.out.println("");
}
}
class Movie {
private String director;
private String name;
int duration;
public Movie(String director, String name, int duration) {
this.director = director;
this.name = name;
this.duration = duration;
}
//MovieName (Director's Name), duration min.
//ADD
@Override
public String toString() {
return this.name + " (" + this.director + "), " + this.duration + " min.";
}
}
Creating movie object with parameters
(Senior Spielbergo, A.T., 111
Printout: A.T. (Senior Spielbergo), 111 min.
Creating movie object with parameters
(George Lucas, Jonas of Impivaara, 142
Printout: Jonas of Impivaara (George Lucas), 142 min.
Creating movie object with parameters
(Speed Johnson, Uno in Armenia, 93
Printout: Uno in Armenia (Speed Johnson), 93 min.