1Z1-804 무료 덤프문제 온라인 액세스

Given the two Java classes:

Which two code snippets, added independently at line ***, can make the Buzzword class compile?

• A.super ("Buzzword");
• B.super ();
• C.this ();
• D.this (100);
• E.super (100);
• F.this ("Buzzword");

Given the code fragment:

What is the result?

• A.M001, Sam, ABC Inc (Frage unvolstandig!!!)
• B.M001, null, null
• C.A NullPointerException is thrown at runtime
• D.M001, Sam,
• E.M001, Sam, null
• F.Compilation fails
• G.M001, ,

Given:

What is the result?

• A.Thomas Jefferson John Adams George Washington
• B.George Washington John Adams Thomas Jefferson
• C.An exception is thrown at runtime
• D.John Adams George Washington Thomas Jefferson
• E.Compilation fails

Given these facts about Java classes in an application:
-
Class X is-a Class SuperX.
-
Class SuperX has-a public reference to a Class Z.
-
Class Y invokes public methods in Class Util.
-
Class X uses public variables in Class Util.
Which three statements are true?

• A.Class SuperX's level of cohesion CANNOT be determined
• B.Class X has-a Class Z.
• C.Class X is loosely coupled to Class Util.
• D.Class Util has weak encapsulation.
• E.Class Y demonstrates high cohesion.

How many Threads are created when passing task to an Executor instance?

• A.A number of Threads determined by system load is used to execute tasks.
• B.A single Thread Is used to execute all tasks.
• C.A new Thread is used for each task.
• D.The method used to obtain the Executor determines how many Threads are used to execute tasks.
• E.A number of Threads equal to the number of CPUs Is used to execute tasks.
• F.A developer-defined number of Threads is used to execute tasks.