Method checkType

lib/java/util/Collections.java:2681–2689

Checks if specified object is instance of specified class. Used for a dynamically typesafe view of the collections. @param obj - object is to be checked @param type - class of object that should be @return specified object

(E obj, Class<? extends E> type)

     * @return specified object
     */
    static <E> E checkType(E obj, Class<? extends E> type) {
        if (obj != null && !type.isInstance(obj)) {
            // luni.05=Attempt to insert {0} element into collection with
            // element type {1}
            throw new ClassCastException(Messages.getString(
                    "luni.05", obj.getClass(), type)); //$NON-NLS-1$
        }
        return obj;
    }

    /**
     * Class represents a dynamically typesafe view of the specified collection.