August 8, 2020

Top 100 Java interview questions

This book contains tricky and nasty Java interview questions that an interviewer asks in Java technology interview. It is a compilation of questions after attending dozens of Java interviews in top-notch companies like- Google, Facebook, Ebay, Amazon etc. You can save time by reading questions as well as answers from the book.

Sample questions are:
How can you determine if JVM is 32-bit or 64-bit from Java Program?
What is the right data type to represent Money (like Dollar/Pound) in Java?
Is ++ operation thread-safe in Java?
How can you mark an array volatile in Java?
Can you create an Immutable object that contains a mutable object?
In Java, can we store a double value in a long variable without explicit casting?
What will this return 5*0.1 == 0.5? true or false?
How can you do constructor chaining in Java?
How can we find the memory usage of JVM from Java code?
Explain the difference between fail-fast and fail-safe iterators?
Can you catch an exception thrown by another thread in Java?
Do you think Java Enums are more powerful than integer constants?

Source: www.amazon.in