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Question 1:
The question requires that you evaluate the underlined text to determine if it is correct.
You should use an int data type to store the numeric value 3,000,000,000 (3 billion) so that the least amount of memory is used.
Review the underlined text. If it makes the statement correct, select “No change is needed.” If the statement is incorrect, select the answer choice that makes the statement correct.
A. No change is needed.
B. a short
C. a byte
D. a long
Correct Answer: D
Question 2:
The question requires that you evaluate the underlined text to determine if it is correct. You have the following class definition:
The logError method can be invoked by code in all classes in the same package as the Logger class.
Review the underlined text. If it makes the statement correct, select “No change is needed.” If the statement is incorrect, select the answer choice that makes the statement correct.
A. No change is needed
B. only by the Logger class
C. only by the Logger class and classes in the same package that inherit from it
D. by all classes in all packages
Correct Answer: C
Question 3:
You need to evaluate the following code segment. Line numbers are included for reference only.
Use the drop-down menus to select the answer choice that answers each question based on the information presented in the code. NOTE: Each correct selection is worth one point.
Hot Area:
Correct Answer:
Question 4:
You are creating a Java console application.
You need to read a birthdate entered by the user.
How should you complete the code? To answer, select the appropriate code segments in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:
Correct Answer:
References: https://docs.oracle.com/javase/7/docs/api/java/io/InputStreamReader.html
Question 5:
You are writing a Java method.
The method accepts a two-dimensional String array and prints the content of each array element.
The size of each dimension of the array might be different.
How should you complete the code? To answer, select the appropriate code segments in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:
Correct Answer:
References: https://www.tutorialgateway.org/two-dimensional-array-in-java/
Question 6:
You are writing a Java program that collects patient information and stores it in a database.
You need to ensure that the program stores data using the least amount of memory.
Which data type should you use to complete each variable declaration? To answer, drag the appropriate data type from the column on the left to its code segment on the right. Each data may be used once, more than once, or not at all. You
may need to drag the split bar between panes or scroll to view content.
Select and Place:
Correct Answer:
References: http://www.tutorialspoint.com/java/java_basic_datatypes.htm
Question 7:
You are writing a Java method that evaluates an arithmetic formula.
The method accepts an int value named number, raises the value to the second power, and returns the negative value of the result.
How should you complete the code? To answer, drag the appropriate code segment to the correct position. Each code segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to
view content.
NOTE: Each correct selection is worth one point.
Select and Place:
Correct Answer:
Question 8:
You are interviewing for a job as a Java developer. You need to evaluate the following code. Line numbers are included for reference only.
For each of the following statements, select Yes if the statement is true. Otherwise, select No. NOTE: Each correct selection is worth one point.
Hot Area:
Correct Answer:
References: https://www.tutorialspoint.com/java/java_strings.htm
Question 9:
References: http://www.tutorialspoint.com/java/java_strings.htm
Your instructor asks you to evaluate four arithmetic code segments.
What is the value of each code segment? To answer, drag the appropriate value from the column on the left to its code segment on the right. Each data may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
Select and Place:
Correct Answer:
Question 10:
You are writing a Java console program. The program accepts command line arguments.
You need to ensure that the main method parses and handles each command line argument.
How should you complete the code? To answer, select the appropriate code segments in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:
Correct Answer:
Question 11:
You are interviewing for a job as a Java developer. You need to demonstrate your understanding of switch statements.
For each of the following code segments, select Yes if the code segment can be changed to a switch statement with up to three case statements. Otherwise, select No.
NOTE: Each correct selection is worth one point.
Hot Area:
Correct Answer:
References: https://docs.oracle.com/javase/tutorial/java/nutsandbolts/switch.html
Question 12:
You are writing a Java method.
The method must meet the following requirements:
Accept a String array named entries
Iterate through entries
Stop the iteration and return false if any element has more than 10 characters
Otherwise, return true
How should you complete the code? To answer, select the appropriate code segments in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:
Correct Answer:
Question 13:
Traders hires you to write a Java program to manage account openings. To open a new account, a user must meet one the following requirements:
be over 65 years old and have a minimum annual income of 10,000
be at least 21 and have an annual income greater than 25,000
How should you complete the code? To answer, drag the appropriate operator to the correct position. Each operator may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.
Select and Place:
Correct Answer:
References: https://www.tutorialspoint.com/java/java_basic_operators.htm
Question 14:
You need to evaluate the following code. Line numbers are included for reference only.
Use the drop-down menus to select the answer choice that answers each question based on the information presented in the code. NOTE: Each correct selection is worth one point.
Hot Area:
Correct Answer:
Question 15:
You are writing a Java class named SavingsAccount. The class must meet the following requirements:
Inherit from an existing class named Account
Include a constructor that uses the base class constructor to initialize the starting balance
Include a substitute toString() method
How should you complete the code? To answer, select the appropriate code segments in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:
Correct Answer:
References: https://www.tutorialspoint.com/java/java_inheritance.htm