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? How can you check if a String is a number by using regular expression?