Java Programmer Certification Mock Exam No 1
4 Questions
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Copyright ©Marcus Green 2002 Last Updated 18 Sep 2003 This exam is based on the objectives of the JDK 1. 2 exam. You can see set of 60 questions for the JDK1. 4 exam at JDK1. 4 Exam
Questions and Answers
- 1.Which of the following lines will compile without warning or error? 1) 2)3) 4) 5)
- A.
Float f=1.3;
- B.
Char c="a";
- C.
Byte b=257;
- D.
Boolean b=null;
- E.
Int i=10;
- 2.What will happen if you try to compile and run the following code? public class MyClass { public static void main(String arguments[]) { amethod(arguments); } public void amethod(String[] arguments) { System.out.println(arguments); System.out.println(arguments[1]); } }
- A.
Error Can't make static reference to void amethod
- B.
Error method main not correct error method main not correct error method main not correct error method main not correct
- C.
Error array must include parameter
- D.
Amethod must be declared with String
- 3.
- A.
A
- B.
B
- C.
C
- D.
A and b
- E.
B and c
- F.
None of the choices.
- 4.A byte can be of what size?
- A.
-128 to 127
- B.
(-2 power 8 )-1 to 2 power 8
- C.
-255 to 256
- D.
Depends on the particular implementation of the Java Virtual machine
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