Java Assessment Test For Senior Java Developers
Java is a programming language for developing and designing applications for computers. Here is an assessment test to evaluate your knowledge of Java programming.
- 1.
Who owns the Java now?- A.
Microsoft
- B.
Google
- C.
Oracle Corporation
- D.
The Gosling Microsystems
- 2.
One waiting strategy in Java is...
- A.
Busy spinning
- B.
Cool coding
- C.
JDK strategy
- D.
Open JSDK
- 3.
What is the reason for Immutability in Java?
- A.
To close code
- B.
To prevent cache
- C.
For architectural complexities
- D.
For thread safety
- 4.
Which of these patterns cannot be use with Java?
- A.
MVC
- B.
GOF
- C.
Singleton
- D.
Phototype
- 5.
In Java, read-write lock uses how many lock(s)?
- A.
1
- B.
2
- C.
3
- D.
4
- 6.
When string is Immutable, then...
- A.
Strings have been cached in string pool
- B.
Strings have been to a single customer
- C.
Strings have been hashed
- D.
Strings are not designed properly
- 7.
Which of these is not an object-oriented programming?
- A.
Polymorphism
- B.
Encapsulation
- C.
Beautification
- D.
Inheritance
- 8.
Which of these methods will you use to protect your code against third-parties?
- A.
Strings
- B.
Unwrapping
- C.
Code against interface
- D.
Coupling forward
- 9.
One of the principles for designing Java is...
- A.
Portability
- B.
Complexity
- C.
Beauty
- D.
Power
- 10.
Executing SQL queries will do one of the following, what is it?
- A.
Expose Java
- B.
Make string Immutable
- C.
Attack application
- D.
Improve performance
Questions: 93 | Attempts: 18979 | Last updated: Mar 22, 2022
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