1z0-808 Exam Dumps - Java SE 8 Programmer I

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Question # 9

Given:

What is the result?

Compilation fails at line n1.

InitializedStartedInitialized

InitializedStarted

Compilation fails at line n2.

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Question # 10

This grid shows the state of a 2D array:

The grid is created with this code:

Which line of code, when inserted in place of //line n1, adds an X into the grid so that the grid contains three consecutive Xs?

grid[2][1] = â€˜Xâ€™;

grid[3][2] = â€˜Xâ€™;

grid[3][1] = â€˜Xâ€™;

grid[2][3] = â€˜Xâ€™;

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Question # 11

Given the code fragment:

What is the result?

2 : 7 : 3

7 : 7 : 9

2 : 7 : 0

7 : 2 : 3

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Question # 12

Given these classes:

And given this main method:

Which two options compile when placed at line n1 of the main method? (Choose two.)

director.stockOptions = 1_000;

employee.salary = 50_000;

manager.budget = 1_000_000;

manager.stockOption = 500;

employee.budget = 200_000;

director.salary = 80_000;

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Question # 13

Given:

What is the result?

Option A

Option B

Option C

Option D

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Question # 14

Given the code fragment:

Which code fragment, when inserted at line 9, enables the code to print true?

String str2 = str1;

String str2 = new String(str1);

String str2 = sb1. toString();

String str2 = "Duke";

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Question # 15

Which is true about the switch statement?

Its expression can evaluate to a collection of values.

The break statement, at the end of each case block, is optional.

Its case label literals can be changed at runtime.

It must contain the default section.

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Question # 16

Given these two classes:

Any amount of electricity used by a customer (represented by an instance of the Customer class) must contribute to the customer's bill (represented by the member variable bill) through the useElectricity method.

An instance of the Customer class should never be able to tamper with or decrease the value of the member variable bill.

How should you write methods in the ElectricAccount class at line n1 so that the member variable bill is always equal to the value of the member variable kwh multiplied by the member variable rate?