최신 1Z0-819 무료덤프 - Oracle Java SE 11 Developer

A. Make enableService private.

B. Enclose the call to new Socket In an AccessController.doPrivileged block.

C.

D. Create a method that validates the hostName and portNumber parameters before opening the socket.

A. 1 2 [1, 2, 3, 4] 3 four

B. 1 2 [1, 2, 3, four] 3 4

C. 1 2 [1, 2, 3, four] 3 four

D. 1 2 [1, 2, 3, 4] 3 4

A. 1

B. The compilation fails at line 13.

C. The compilation fails at line

D. The compilation fails at line 16.

E. 10

A. It cannot have any private methods and static methods.

B. It is declared with a single abstract method.

C. It is declared with a single default method.

D. It must be defined with the public access modifier.

E. It must be annotated with @FunctionalInterface.

A. 1

B. 1

C. 0

D. 0

E. It prints 1 in infinite loop.

F. The program prints nothing.

A. 0 4 9

B. nothing

C. 0

D. 10

A. Fragment 1 because it is more performant.

B. Fragment 2 because it prevents SQL injection.

C. Fragment 1 because it is shorter.

D. Fragment 2 because it explicitly specifies the SQL types of the column values.

A. nothing

B. 5 4 3 2 1

C. 5 4 3 2 1 4 3 2 1 3 2 1 2 1 1

D. 5

A. private java.util.ServiceLoader<Print> loader = ServiceLoader.load (Print.class);

B. private Print print = new com.service.Provider.PrintImpl();

C. private Print print = com.service.Provider.getInstance();

D. private java.util.ServiceLoader<Print> loader = new java.util.ServiceLoader<> ();

A. String

B. Character

C. String[ ]

D. char

A. java.logging

B. java.desktop

C. jdk.jartool

D. javafx

E. jdk.httpserver

A. super.set(List<String> map)

B. map.forEach((k, v) -> set(v)));

C. super.set(map.values());

D. set(map.values());

E. set(map)