Oracle Upgrade to Java SE 7 Programmer 是由 Oracle 官方舉辦的認證考試，在業界具有高度公信力，也是許多企業篩選人才的重要依據。想在 2026 年取得這張證照，Fast2test 的 1Z1-805 題庫（90 題）會是你值得信賴的備考夥伴。

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最新的 OCP 1Z1-805 免費考試真題：

問題 #1

Given:

Which design pattern moves the getPerson, createPerson, deletePerson, and updatePerson methods to a new class?

A. Composition
B. Singleton
C. Factory
D. DAO

問題 #2

The advantage of a CallableStatement over a PreparedStatement is that it:

A. Supports transactions
B. Is easier to construct
C. Runs on the database
D. Uses Java instead of native SQL

問題 #3

How many Threads are created when passing tasks to an Executor Instance?

A. A new Thread is used for each task.
B. A number of Threads determined by system load is used to execute tasks.
C. A developer-defined number of Threads Is used to execute tasks.
D. A number of Threads equal to the number of CPUs is used to execute tasks.
E. The method used to obtain the Executor determines how many Threads are used to execute tasks.
F. A single Thread is used to execute all tasks.

問題 #4

Which two fragments can be combined into a statement that returns an ExecuteService instance?

A. Executors
B. Executor
C. .newSingleThreadExecutor ();
D. ExecutorService
E. .createSingleThreadExecutor ();
F. .buildSingleThreadExecutor ();
G. .getSingleThreadExecutor ();

問題 #5

Which two scenarios throw FileSystemNotFoundException when the paths.get(URI) method is invoked?

A. When a security manager is installed and it denies an unspecified permission to acess the file system.
B. When preconditions on the uri parameter do not hold
C. When the path string cannot be converted to a Path
D. When the provider identified by the URI'S scheme component is not installed
E. When the file system identified by the uri does not exist and cannot be created automatically

問題與答案：