public final boolean contains(V value){
  if (GWT.isScript()) {
    return jsArray.indexOf(value) != -1;
  }
 else {
    return javaArray.contains(value);
  }
}

public final boolean contains ( V value ) { if ( GWT . isScript ( ) ) { return jsArray . indexOf ( value ) != - 1 ; } else { return javaArray . contains ( value ) ; } }
check if the the list contains the specified value
