1z1-813 無料問題集「Oracle Upgrade to Java SE 8 OCP ( Java SE 6 and all prior versions)」

（A）string str = sList.stream reduce () .reduce ("A" , string: : concat) ;

（B）string str = sList.stream reduce () .reduce (" ", (s1, s2) -> s1.concat (s2));

（C）string str = sList.stream reduce (). Reduce (s1, s2) ->s1, concat (82) ;

（D）string str = sList.stream reduce () .reduce ("A", (s1, s2) -> s1.concat (s2)) ;

（A）0 0

（B）1500. 0

（C）A compilation error occurs.

（D）2000. 0

（A）intFunction funintf = n -> * 5; I

（B）Consumer <Integer> funIntf = n -> n * 5 ;

（C）Function<Integer>funIntf -n -> n * 5 ;

（D）UnaryOperator<Integger> funIntf- n -> n * 5;

（A）It accepts an argument and produces a result of any data type.

（B）It accepts one argument and returns void.

（C）It accepts one argument and returns boolean.

（D）It accepts one argument and always produces a result of the same type as the argument.

（A）Jack jane John Tcm Tim

（B）Jock Jcne

（C）A compilation error occurs.

（D）An exception is thrown at runtime.

（A）Language codes use lowercase letters and region cedes use uppercase letters,

（B）Resource bundle files Include date and currency information.

（C）Support for new regional language does not require recompilation of the code.

（D）Language and region-specific programs are created using localized data.

（E）Textual elements (messages and GUI labels) are hard coded in the code.