31 lines
869 B
Java
31 lines
869 B
Java
//: holding/IterableClass.java
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// Anything Iterable works with foreach.
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import java.util.*;
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public class IterableClass implements Iterable<String> {
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protected String[] words = ("And that is how " +
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"we know the Earth to be banana-shaped.").split(" ");
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@Override
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public Iterator<String> iterator() {
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return new Iterator<String>() {
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private int index = 0;
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@Override
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public boolean hasNext() {
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return index < words.length;
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}
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@Override
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public String next() { return words[index++]; }
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@Override
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public void remove() { // Not implemented
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throw new UnsupportedOperationException();
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}
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};
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}
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public static void main(String[] args) {
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for(String s : new IterableClass())
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System.out.print(s + " ");
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}
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} /* Output:
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And that is how we know the Earth to be banana-shaped.
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*///:~
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