Oracle 1z0-813 問題集

質問 1：
Given the code fragment:

Which is the valid definition for the crecter interface to enable the code fragment to print ksthy welcome!?
A. public interface greater {
Public String greet(String name) ;
)
B. public interface greater <T> {
Public static String greep (T , name) ;
)
C. public interface greater {
Private string greet {string name};
)
D. public interface greater {
Public default String greet{ String name} {
Return name;
}
Public String greet (String name, String salute);
)
正解：A

質問 2：
Given the definitions of Readable and writable interfaces:

What is the result?
A. Hello welcome close
B. Compilation foils due to on error at Line n3.
C. Compilation fails due to an error at Line n2.
D. Compilation fails due to an error at Line n1..
正解：A

質問 3：
Given:

What is the result?
A. 0 1 2 3 4
B. 0 1 2 3 4
C. 1 1 1 1 1
D. 1 2 3 4 5
正解：C

質問 4：
Given the code fragment:

Which code fragment could you use to refactor the code from line 4 to 8 to use a Lambda expression?
A. Vehicle V = new vehicle (int speed) (System.out.print{ Fly at "+speed); };
B. Vehicle V =(int speed) -> =[int.speed) system.out.print. (Fly at" + speed} ;
C. Vehicle V = int speed -> System.cut.print ("Fly at "+ speed} ;
D. Vehicle V = speed -> [system.outprint("Fly at " + speed) ] ;
正解：D

質問 5：
Given the code fragment:

What is the result?
A. Logged out at: 2015-01-12T21: 58:002
B. Logged cut at: 2015-01-12T21:50:19.000z
C. can't Logout.
D. A compilation error occurs at Line n1.
正解：A