Microsoft Microsoft Certifications 98-388 Questions & Answers

• Question 21:

  HOTSPOT

  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 22:

  HOTSPOT

  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 23:

  HOTSPOT

  You are writing a Java method named countdown. The method must meet the following requirements:

  Accept an int parameter named start

  Display all numbers from start to zero in decrements of one

  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/tutorial/java/javaOO/arguments.html

  You work as a Java programmer. A member of the team creates the following program. Line numbers are included for reference only.

  

• Question 24:

  HOTSPOT

  The program is supposed to display a message to the console while it counts down from 60. The method does not work as intended.

  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/tutorial/java/nutsandbolts/operators.html

• Question 25:

  HOTSPOT

  You are writing a Java console program.

  The program must meet the following requirements:

  Read a line of text entered by the user

  Print each word in the text to the console on a separate line

  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/util/Scanner.html

• Question 26:

  HOTSPOT

  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 27:

  HOTSPOT

  You work for Woodgrove Bank as a Java programmer.

  You need to evaluate the following class. 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://docs.oracle.com/javase/tutorial/java/javaOO/constructors.html

• Question 28:

  HOTSPOT

  You have the following code segment. Line numbers are included for reference only.

  

  The code does not compile.

  For each of the following statements, select Yes if the action is required to resolve the compilation error. Otherwise, select No.

  NOTE: Each correct selection is worth one point.

  Hot Area:

  

  Correct Answer:

  

  References: https://docs.oracle.com/javase/tutorial/java/javaOO/accesscontrol.html

• Question 29:

  HOTSPOT

  You work on a team that develops e-commerce applications. A member of the team creates a class named DB that connects to a database. The class contains a method named query.

  You need to initiate the DB class and invoke the query 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://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html#invoke-java.lang.Object-java.lang.Object...

• Question 30:

  HOTSPOT

  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