Tag: technology

Quizzes (307) Questions (36705)

Questions Related to technology

Multiple choice technology architecture

A project manager concludes that his application doesn't need to be Performance tested as it is an out of the box implementation. You do not agree to his conclusion because

  1. Out of the box implementations usually doesn't meet performance requirements

  2. Project manager was given an agressive schedule as it is an Out of the box implementation

  3. Out of the box implementation may have undocumented performance problems

  4. Less experianced deveopers were involved as it is an out of the box implemenation
Reveal answer Fill a bubble to check yourself
C Correct answer
Full explanation
Multiple choice technology programming languages

What is the output for the below code ? import java.util.NavigableMap; import java.util.concurrent.ConcurrentSkipListMap; public class Test { public static void main(String... args) { NavigableMapnavMap = new ConcurrentSkipListMap(); navMap.put(4, "April"); navMap.put(5, "May"); navMap.put(6, "June"); navMap.put(1, "January"); navMap.put(2, "February"); System.out.print(navMap.floorKey(3)); } }

  1. Compile error : No method name like floorKey()

  2. null

  3. NullPointerException

  4. 2
Reveal answer Fill a bubble to check yourself
D Correct answer
Full explanation
Multiple choice technology programming languages

What is the output for the below code ? import java.util.NavigableMap; import java.util.concurrent.ConcurrentSkipListMap; public class Test { public static void main(String... args) { NavigableMapnavMap = new ConcurrentSkipListMap(); navMap.put(4, "April"); navMap.put(5, "May"); navMap.put(6, "June"); navMap.put(1, "January"); navMap.put(2, "February"); System.out.print(navMap.floorKey(3)); } }

  1. Compile error : No method name like floorKey()

  2. null

  3. NullPointerException

  4. 2
Reveal answer Fill a bubble to check yourself
D Correct answer
Full explanation
Multiple choice technology programming languages

What is the output for the below code ? import java.io.Console; public class Test { public static void main(String... args) { Console con = System.console(); boolean auth = false; if (con != null) { int count = 0; do { String uname = con.readLine(null); char[] pwd = con.readPassword("Enter %s's password: ", uname); con.writer().write("\n\n"); } while (!auth && ++count < 3); } } }

  1. NullPointerException

  2. It works properly

  3. Compile Error : No readPassword() method in Console class

  4. null
Reveal answer Fill a bubble to check yourself
A Correct answer
Full explanation