Java Iterable Item clear(Iterable iterable)

Description

Remove all elements from the given Iterable.

License

LGPL

Parameter

Parameter	Description
iterable	the Iterable

Declaration

public static void clear(Iterable<?> iterable) 

Method Source Code

//package com.java2s;
//License from project: LGPL 

import java.util.*;

public class Main {
    /**//w  w w  .  j  a v a2  s.  c o m
     * <p>Remove all elements from the given Iterable.</p>
     * @param iterable the Iterable
     */
    public static void clear(Iterable<?> iterable) {
        if (iterable instanceof Collection) {
            ((Collection<?>) iterable).clear();
        } else {
            clear(iterable.iterator());
        }
    }

    /**
     * <p>Remove all elements from the given Iterator.</p>
     * @param it the Iterator
     */
    public static void clear(Iterator<?> it) {
        while (it.hasNext()) {
            it.next();
            it.remove();
        }
    }
}

Related

1. concat(final Iterable> iterables)
2. concat(Iterable... iterables)
3. concat(Iterable first, Iterable second)
4. contains(Iterable iter, Object o)