Pass the Oracle Java SE 1z0-819 Questions and answers with ExamsMirror

Make the verify method public and invoke it from the main method.

Invoke the verify method from the place method.

Change the declaration of the order variable to orderService order = New order(); and

Invoke the verify method from the main method.

Invoke the verify method from the main method.

All three readers are still open.

All three readers have been closed.

The compilation fails.

Only reader1 has been closed.

Supplier

Predicate

Function

Consumer

Short value 25

The compilation fails due to an error in line 1.

Byte value 25

Object value 25

players.stream().average().orElse(0.0);

players.stream().mapToInt(a -> a.score).average().orElse(0.0);

players.stream().mapToDouble(a -> a.score).average();

players.stream().map(a -> a.score).average();

java.base exports all of the Java platforms core packages.

module-info.java can be placed in any folder inside module-path.

A module must be declared in module-info.java file.

module-info.java cannot be empty.

By default, modules can access each other as long as they run in the same folder.

2134

234

2341

214

The ServiceProvider module is the only module that, at run time, can provide the com.example.api API.

The placement of the com.example.api API in a separate module, ServiceAPI, makes it easy to install multiple provider modules.

The Consumer module should require the ServiceProvider module.

The ServiceProvider module should export the com.myimpl package.

The ServiceProvider module does not know the identity of a module (such as Consumer) that uses the

com.example.api API.

Paths.get("foo")

Paths.getPath("too")

Path.get(new URI("file:///domains/oracle/test.txt"))

new Path("foo")

Paths.get(URL.create("file:///domains/oracle/test.txt"))

-1 : 2

2 : -1

2 : 3

3 : 0