Java Collection Contain containsAll(Collection<?> c, Iterable<?> subset)

Description

Test whether a collection contains all the elements of a list.

License

BSD License

Declaration

public static boolean containsAll(Collection<?> c, Iterable<?> subset)

Method Source Code


//package com.java2s;
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import java.util.*;

public class Main {
    /**
     * Test whether a collection contains all the elements of a list.  Unlike {@link Collection#containsAll},
     * defined for arbitrary {@code Iterable}s.  When possible, delegates to {@code c.containsAll()}.  
     * @see IterUtil#and
     * @see IterUtil#containsAll
     */
    public static boolean containsAll(Collection<?> c, Iterable<?> subset) {
        if (subset instanceof Collection<?>) {
            return c.containsAll((Collection<?>) subset);
        } else {
            for (Object o : subset) {
                if (!c.contains(o)) {
                    return false;
                }
            }
            return true;
        }
    }
}

Java Collection Contain containsAll(Collection c, Iterable subset)

Description

License

Declaration

Method Source Code

Related