This is a trick question, there is no problem with the code and it will compile successfully. We can always catch an Exception or any unchecked exception even if it’s not in the throws clause of the method. Similarly, if a method (foo) declares an unchecked exception in the throws clau...
Java 1.5 came with Generics and all collection interfaces and implementations use it heavily. Generics allow us to provide the type of Object that a collection can contain, so if you try to add any element of other type it throws compile time error. This avoids ClassCastException at Runtime ...
Collections are core components of Java programming language. They are widely used in interview questions. The post contains 40+ questions on java collections to make sure all the topics are covered. I also recommend you to readjava collectionstutorial. 4.Java String Interview Questions and Answers...
Run-time Interpreter: The conversion of byte code into native machine code is done at run-time in Java which furthers slows down the speed However, the latest version of Java has addressed the performance bottlenecks to a great extent. Summary : JVM or Java Virtual Machine is the engine tha...
Table of Contents [hide] Question 1: What is Exception ? Question 2: How can you handle exception in java? Question 4: Difference between checked exception, unchecked exceptionand and errors Question 5: Can we have try without catch block in java ? Question 6: What is RunTime exception in...
7. How do you handle error condition while writing stored procedure or accessing stored procedure from java? This is one of the tough Java interview question and its open for all, my friend didn't know the answer so he didn't mind telling me. my take is that stored procedure should retu...
Here are 10 of the most common and important Java garbage collection interview questions that any technicalDevOps engineer or developerapplicant must be ready to answer. 1. Why is garbage collection necessary in Java? In many programming languages, such asC and C++,when an object is no longer ...
This article features a great number of Spring interview questions and answers for experienced as well as beginner java developers!
java programming interview questions java interview questions and answers for 3 years experience java interview questions for experienced professionals java interview questions for 5 years experience Let’s get started… Interview Question 1: What are the main 3 Object Oriented Programing (OOP) c...
One of the most frequently asked Java interview question to experience Java programmer of 4 to 5 years of experience. I have seen this question on big companies likeMorgan Stanley,JP Morgan, Nomura and other banks e.g. Barclays capital. SeeHow HashMap works internally in Javafor detailed ans...