OnJava8-Examples/generics/RandomList.java
2015-05-29 14:18:51 -07:00

23 lines
704 B
Java

//: generics/RandomList.java
// ©2015 MindView LLC: see Copyright.txt
import java.util.*;
public class RandomList<T> {
private ArrayList<T> storage = new ArrayList<>();
private Random rand = new Random(47);
public void add(T item) { storage.add(item); }
public T select() {
return storage.get(rand.nextInt(storage.size()));
}
public static void main(String[] args) {
RandomList<String> rs = new RandomList<>();
for(String s: ("The quick brown fox jumped over " +
"the lazy brown dog").split(" "))
rs.add(s);
for(int i = 0; i < 11; i++)
System.out.print(rs.select() + " ");
}
} /* Output:
brown over fox quick quick dog brown The brown lazy brown
*///:~