OnJava8-Examples/collections/MultiIterableClass.java at master · CSapprenticeWT/OnJava8-Examples · GitHub

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// collections/MultiIterableClass.java

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

// Adding several Adapter Methods

import java.util.*;

public class MultiIterableClass extends IterableClass {

public Iterable<String> reversed() {

return new Iterable<String>() {

public Iterator<String> iterator() {

return new Iterator<String>() {

int current = words.length - 1;

@Override public boolean hasNext() {

return current > -1;

}

@Override public String next() {

return words[current--];

}

@Override

public void remove() { // Not implemented

throw new UnsupportedOperationException();

}

};

}

};

}

public Iterable<String> randomized() {

return new Iterable<String>() {

public Iterator<String> iterator() {

List<String> shuffled =

new ArrayList<>(Arrays.asList(words));

Collections.shuffle(shuffled, new Random(47));

return shuffled.iterator();

}

};

}

public static void main(String[] args) {

MultiIterableClass mic = new MultiIterableClass();

for(String s : mic.reversed())

System.out.print(s + " ");

System.out.println();

for(String s : mic.randomized())

System.out.print(s + " ");

System.out.println();

for(String s : mic)

System.out.print(s + " ");

}

/* Output:

banana-shaped. be to Earth the know we how is that And

is banana-shaped. Earth that how the be And we know to

And that is how we know the Earth to be banana-shaped.

OnJava8-Examples/collections/MultiIterableClass.java at master · CSapprenticeWT/OnJava8-Examples · GitHub

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