Fast2test 為 Oracle Java SE 11 Programmer II 考生準備了三種產品形式：可列印的 PDF、模擬真實考場的 Desktop Test Engine，以及跨裝置使用的 Online Test Engine。無論你偏好哪種讀書方式，1Z1-816 的 80 道題目都能陪你練到考前一天。

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最新的 Java Platform Standard Edition 11 1Z1-816 免費考試真題：

問題 #1

Which interface in the java.util.function package can return a primitive type?

A. ToDoubleFunction
B. BiFunction
C. Supplier
D. LongConsumer

問題 #2

Given:
var data = new ArrayList<>();
data.add("Peter");
data.add(30);
data.add("Market Road");
data.set(1, 25);
data.remove(2);
data.set(3, 1000L);
System.out.print(data);
What is the output?

A. [Market Road, 1000]
B. [Peter, 30, Market Road]
C. [Peter, 25, null, 1000]
D. An exception is thrown at run time.

問題 #3

Given:
jdeps -jdkinternals C:\workspace4\SimpleSecurity\jar\classes.jar
Which describes the expected output?

A. The -jdkinternals option analyzes all classes in the .jar for class-level dependencies on JDK internal APIs. If any are found, the results with suggested replacements are output in the console.
B. jdeps lists the module dependencies and the package names of all referenced JDK internal APIs. If any are found, the suggested replacements are output in the console.
C. The -jdkinternals option analyzes all classes in the .jar and prints all class-level dependencies.
D. jdeps outputs an error message that the -jdkinternals option requires either the -summary or the - verbose options to output to the console.

問題 #4

Given:

Assume the file on path does not exist. What is the result?

A. /u01/work/filestore.txt is deleted.
B. /u01/work/filestore.txt is not deleted.
C. The compilation fails.
D. Exception

問題 #5

Which three guidelines are used to protect confidential information? (Choose three.)

A. Clearly identify and label confidential information.
B. Manage confidential and other information uniformly.
C. Validate input before storing confidential information.
D. Encapsulate confidential information.
E. Limit access to objects holding confidential information.
F. Treat user input as normal information.
G. Transparently handle information to improve diagnostics.

問題與答案：