question: @ SuppressWarnings ( "unchecked" ) public static < E > void mergeArrayIntoCollection ( Object array , Collection < E > collection ) { if ( collection == null ) { throw new IllegalArgumentException ( "Collection must not be null" ) ; } Object [ ] arr = ObjectUtils . toObjectArray ( array ) ; for ( Object elem : arr ) { collection . add ( ( E ) elem ) ; } }
target:  Merge the given array into the given Collection.