Junior Java Software Engineer Interview Questions

25,497 junior java software engineer interview questions shared by candidates

What is SQL Injection? Serialization vs Synchronized. Interface vs Abstract. Queue vs Stack, Vector vs ArrayList. Array vs ArrayList. What is a virtual function? When are these used: static, transient, protected, Iterator? Name 4 principles of Polymorphism. Can a lock be acquired on a class? How do you secure a web service? What is operator overload? Explain an ENUM. Which is more expensive? Array or LinkedList.
avatar

Java Developer

Interviewed at Global Healthcare Exchange

3.8
Apr 20, 2018

What is SQL Injection? Serialization vs Synchronized. Interface vs Abstract. Queue vs Stack, Vector vs ArrayList. Array vs ArrayList. What is a virtual function? When are these used: static, transient, protected, Iterator? Name 4 principles of Polymorphism. Can a lock be acquired on a class? How do you secure a web service? What is operator overload? Explain an ENUM. Which is more expensive? Array or LinkedList.

Viewing 1061 - 1070 interview questions

See Interview Questions for Similar Jobs

Glassdoor has 25,497 interview questions and reports from Junior java software engineer interviews. Prepare for your interview. Get hired. Love your job.