Question 1

Consider below code:1. //Test.java2. package com.udayan.oca;3. 4. public class Test {5. public static void main(String[] args) {6. StringBuilder sb = new StringBuilder(100);7. System.out.println(sb.length() + ":" + sb.toString().length());8. }9. }What will be the result of compiling and executing Test class?

Options :

A : 16:0

B : 0:0

C : 16:16

D : 100:0

E : 100:100

Answer: B

Question 2

Which statement is true about the switch statement?

Options :

A : It must contain the default section.

B : The break statement, at the end of each case block, is mandatory.

C : Its case label literals can be changed at runtime.

D : Its expression must evaluate to a single value.

Answer: D

Question 3

Given the code fragment: HPE6-A70 What is the result?

Options :

A : [Robb, Rick, Bran]

B : [Robb, Rick]

C : [Robb, Bran, Rick, Bran]

D : An exception is thrown at runtime

Answer: A

Question 4

Examine the content of App.java: 1Z0-808 Which is true?

Options :

A : The App.class file is stored within the p1 folder. The Test.class file is stored within the p2 sub-folder of p1.

B : The App class is accessible within the Test class without an import statement.

C : import p1.App; is used to access the App class within the Test class.

D : It is optional to have the package statement as the first line of class definitions

Answer: C

Question 5

What is the signature of special main method?

Options :

A : public static void main(String args) {}

B : public static void main() {}

C : private static void main(String [] args) {}

D : public static void main(String [] a) {}

Answer: D