[2024年12月20日] 有効な1z1-819テスト解答とOracle 1z1-819試験PDF問題を試そう [Q115-Q130]

[2024年12月20日] 有効な1z1-819テスト解答とOracle 1z1-819試験PDF問題を試そう

実際に出る1z1-819試験問題集には正確で更新された問題

質問 # 115
Given:

Which two constructors will compile and set the class field strings? (Choose two.)

A. Option C
B. Option E
C. Option A
D. Option D
E. Option B

正解：A、B

質問 # 116
Given:

What is the result?

A. An exception is thrown at runtime.
B. Dr. Who
C. Dr. Null
D. null

正解：D

解説：

質問 # 117
Given:

Which code fragment on line 1 makes the m map contain the employee with the highest salary for each neighborhood?
A)

B)

C)

D)

A. Option D
B. Option C
C. Option A
D. Option B

正解：A

質問 # 118
Given:

What is the result?

A. An exception is thrown at runtime
B. Take extra care
Take extra care
C. Take extra care
D. The program prints nothing.

正解：A

質問 # 119
A company has an existing sales application using a Java 8 jar file containing packages:
com.company.customer;
com.company.customer.orders;
com.company.customer.info;
com.company.sales;
com.company.sales.leads;
com.company.sales.closed;
com.company.orders;
com.company.orders.pending;
com.company.orders.shipped.
To modularize this jar file into three modules, customer, sales, and orders, which module-info.java would be correct?
A)

B)

C)

D)

A. Option C
B. Option A
C. Option D
D. Option B

正解：A

質問 # 120
Given the Customer table structure:
* ID Number Primary Key
* NAME Text Nullable
Given code fragment:

Which statement inserted on line 14 sets NAME column to a NULL value?

A. Stmt.setNull(2 string, class);
B. Stmt.setNull(2, java.lang, string);
C. Stmt.setNull(2, null);
D. Stmt.setNull(2, java,sql. Types, VARCHAR);

正解：D

質問 # 121
Given:

What is the result?

A. The compilation fails.
B. Orange Juice
C. Orange Juice Apple Pie Lemmon Ice Raspberry Tart
D. The program prints nothing.

正解：C

解説：

質問 # 122
Given:

Which two lines can replace line 1 so that the Y class compiles? (Choose two.)

A. set(map)
B. map.forEach((k, v) -> set(v)));
C. set(map.values());
D. super.set(map.values());
E. super.set(List<String> map)

正解：C、D

質問 # 123
Given:

and omitting the throws FooException clause results in a compilation error.
Which statement is true about FooException?

A. FooException is a subclass of RuntimeError.
B. FooException is unchecked.
C. The body of foo can throw FooException or one of its subclasses.
D. The body of foo can only throw FooException.

正解：C

質問 # 124
Given:

What is the result?

A. 0
B. It fails to compile.
C. nothing
D. 1
E. A java.lang.IllegalArgumentException is thrown.

正解：B

解説：

質問 # 125
Given:

Which three are correct? (Choose three.)

A. f1.foo(li) prints Hello world!
B. f1.foo(li) prints Bonjour le monde!
C. b1.foo(li) prints Bonjour le monde!
D. b1.foo(li) prints Hello world!
E. b1.foo(li) prints Hola Mundo!
F. f1.foo(li) prints Hola Mundo!
G. f2.foo(li) prints Hello world!
H. f2.foo(li) prints Bonjour le monde!
I. f2.foo(li) prints Hola Mundo!

正解：B、D、E

質問 # 126
Which three guidelines are used to protect confidential information? (Choose three.)

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

正解：A、B、D

質問 # 127
Given:

A) An exception is thrown at run time.
B)

C) The compilation fails due to an error on line 2.
D) The compilation fails due to an error on line 1.
E)

F)
The compilation fails due to an error on line 3.