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Programming Language Concepts and History

Test your knowledge of programming language paradigms, history, features, and core concepts including functional programming, OOP, language design, and syntax definition.

16 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

What is the result of the following code? 1. public class Drink { 2. private int millis = 200; 3. boolean carbonated = false; 4. 5. public static void main(String [] args) { 6. System.out.println(new AppyFizz()); 7. } 8. } 9. class AppyFizz extends Drink { 10. public String toString() { 11. return millis + " " + carbonated; 12. } 13. }

  1. 12 false
  2. Compiler error on line 6
  3. Compiler error on line 12
  4. Compiler error on line 11
Question 2 Multiple Choice (Single Answer)

What is the result of the following code? 1. public abstract class A { 2. private void doStuff() { 3. System.out.println("A"); 4. } 5. 6. public static void main(String [] args) { 7. A a = new B(); 8. a.doStuff(); 9. } 10. } 11. 12. class B extends A { 13. protected void doStuff() { 14. System.out.println("B"); 15. } 16. }

  1. A
  2. B
  3. Compiler error on line 7
  4. Compiler error on line 13
Question 3 Multiple Choice (Single Answer)

What is the result of the following code? 1. public abstract class Catchable { 2. protected abstract void catchAnObject(Object x); 3. 4. public static void main(String [] args) { 5. java.util.Date now = new java.util.Date(); 6. Catchable target = new MyStringCatcher(); 7. target.catchAnObject(now); 8. } 9. } 10. 11. class MyStringCatcher extends Catchable { 12. public void catchAnObject(Object x) { 13. System.out.println("Caught object"); 14. } 15. 16. public void catchAnObject(String s) { 17. System.out.println("Caught string"); 18. } 19. }

  1. Caught string
  2. Caught object
  3. Compiler error on line 12
  4. Compiler error on line 2
Question 4 Multiple Choice (Single Answer)

At Dartmouth College in 1964 John Kemeny and Thomas Kurtz invented .... ?

  1. ALGOL
  2. BASIC
  3. FORTRAN
  4. NONE
Question 5 Multiple Choice (Single Answer)

Who invented C++ ?

  1. Anders Hejlsberg
  2. Grace Hopper
  3. Bjarne Stroustrup
  4. Alan Cooper
Question 6 Multiple Choice (Single Answer)

Which of these is not a functional programming language

  1. F#
  2. ERLANG
  3. LISP
  4. FORTRAN
Question 7 Multiple Choice (Single Answer)

Dylan, Erlang, Haskell and ML are examples of ... ?

  1. web languages
  2. declarative languages
  3. functional languages
  4. visual languages
Question 8 Multiple Choice (Single Answer)

A true or false statement put into code that the programmer expects to always be true is an ...

  1. exception
  2. harness
  3. assertion
  4. expression
Question 9 Multiple Choice (Single Answer)

EBNF is ...

  1. Extensible Book Notation Format
  2. a replacement for the SAX XML parser
  3. the leader of the free software foundation
  4. a syntax for defining grammar
Question 10 Multiple Choice (Single Answer) 
Dim strQuestion,strCount
strQuestion=" abc " 
strQuestion=Trim(strQuestion) 
strCount=Len(strQuestion)
  1. strCount=7
  2. strCount=9
  3. strCount=3
  4. strCount=0
Question 11 Multiple Choice (Single Answer)

Dim strOne strOne=String(3,"A") Msgbox strOne

  1. aaa
  2. A A A
  3. AAA
  4. A
Question 12 Multiple Choice (Single Answer)

Dim strOne strOne=InStrRev("abc","ABC") Msgbox strOne

  1. 1
  2. 3
  3. 0
  4. 6
Question 13 Multiple Choice (Single Answer)

Dim x x=InStrRev("abc abc","abc") x=????

  1. x=2
  2. x=3
  3. x=5
  4. x=0
Question 14 Multiple Choice (Single Answer)

Dim x x=InStr("abc abc","abc") Msgbox x

  1. 0
  2. 2
  3. 1
  4. 3
Question 15 Multiple Choice (Single Answer) 
x="TIB Ltd"  
y=Len(x)
y=???
  1. 7
  2. 6
  3. 3
  4. 0
Question 16 Multiple Choice (Single Answer)

x=Right("abcd.xls",4) x=????

  1. .xls
  2. abcd
  3. excel
  4. true
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