最新の1z1-815問題集で試験を準備する

Oracle 1z1-815 試験概要:

Oracle 1z1-815 試験シラバストピック:

Oracle Java SE 11 Programmer I 認定 1z1-815 試験問題：

問題 #1

Given:

What is the result?

A. True false
B. A NullPointerException is thrown at runtime
C. True null
D. Compilation fails

問題 #2

Given:

Which two method implementations are correct, when inserted independently in line 1? (Choose two.)

A.

B.

C.

D.

E.

問題 #3

Examine this excerpt from the declaration of the java.semodule:

What does the transitivemodifier mean?

A. Any module that requires the java.sql module does not need to require the java.se module.
B. Any module that attempts to require the java.se module actually requires the java.sql module instead.
C. Only a module that requires the java.se module is permitted to require the java.sql module.
D. Any module that requires the java.se module does not need to require the java.sql module.

問題 #4

Given:

Which two lines of code when inserted in line 1 correctly modifies instance variables? (Choose two.)

A. setCCount(c) = cCount;
B. cCount = setCCount(c);
C. aCount = a;
D. setGCount(g);
E. tCount = tCount;

問題 #5

Given:

Which two statements can be added at line 1 in Bar to successfully compile it? (Choose two.)

A. public List<Object> foo(Set<CharSequence> m) { ... }
B. public List<Integer> foo(Set<CharSequence> m) { ... }
C. public ArrayList<Number> foo(Set<CharSequence> m) { ... }
D. public ArrayList<Integer> foo(Set<String> m) { ... }
E. public List<Integer> foo(Set<String> m) { ... }
F. public List<Integer> foo(TreeSet<String> m) { ... }

解説：