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

（A）DoubleFunction

（B）DoubleSuppLier

（C）DoubleConsumer

（D）ToDoubleFunction

（A）The computeDirectly {} method must be enhanced to fork () new created tasks.

（B）The MyTask class must be modified to extend RecuraivaAction Instaed of RecuresivATAsk.

（C）Result must be retrieved from the newly created MyFask instances and combined.

（D）The TIDESHOLD value be increase so that the overhead of task creation does not dominate the cost of computation.

（E）The compute () method must be changed to return an integer result.

（F）The midpoint computation must be altered so that it splits the workload in an optimal manner.

（A）one or more Intermediate operations

（B）a reduction operation

（C）a lambda expression or a method reference

（D）a source

（E）o terminal operation

（A）1 2

（B）0 0

（C）A compilation error occurs.

（D）1 4

（A）Hello, everyone!

（B）GOODBYE everyone!

（C）HELLO_MSG

（D）Goodbye everyone

（E）Compilation

（A）public Class Generator implement IdGenerator (
privateAtcmicinInteger id - new AtomaticIntegger (0);
public int getNextId{} {
return id. Increaseincrasement AndSet{) ;
}
}

（B）public Class Generator implement IdGenerator (
Private int id =0;
Public int getNextId { ) {
Synchronized (id) ;
return ++id
}
}

（C）public Class Generator implement IdGenerator (
Private int id =0;
Public int getNextId { ) {
Synchronized (id) ;
return ++id
}
}
}
Return ++id;

（D）public class Generator implements IdGeneretor (
Private int id =0;
Public int getNExtId {) {
Synchronized (new generator()) {
return ++id;
}
}
}

（E）public class Generator implements IdGenerator (
Private volatile int Id -0;
Public int getNExt Td() |
Synchronized (new generator()) {
return ++id;
}
}
}