Exception Handling is one of the tricky areas. Java provides a robust and object-oriented approach for exception handling. There are Exception, Error, and Throwable at the root of Exception Handling. I have seen
Looking forward to appear in Java Interview, here are the key 100+ Java Interview Questions with Answers only for you including some of the tricky questions with answers.Table of ContentsSr.No.Question 1 What are new Java8 Features? 2 Difference between GET & POST METHODS? 3 Difference betwee...
Welcome to Java String Quiz. String is one of the most important classes in Java. If you have done any programming in java, you must have used it. The string is very popular when it comes to java interview questions or quiz. So I have gathered some great and tricky java string quiz q...
Leave a comment Tricky multithreading questions for senior developers – Part 2 July 18, 2024byT Tak 1. What are the potential issues with using synchronized blocks for thread synchronization in Java? Answer: Example Scenario:Two threads trying to acquire locks on two objects in different order, ...
In this quick article, we’ll discuss thedouble colon operator(::) in Java 8 and go over the scenarios where the operator can be used. Further reading: Java 8 Interview Questions(+ Answers) A set of popular Java8-related interview questions and of course answers. ...
Java8 提供了许多语言特性,使得开发者从之前的版本中过渡过来,比如: Lambdas 、streams、函数式编程、广泛的API拓展,更不用说MetaSpace 或者G1拓展。 Java 9 appeared 3 years later, in September 2017, and for a typical developer, it changed next to nothing. A new HTTP client, process API, minor dia...
1. Overview As Java developers, we often write code that iterates over a set of elements and performs an operation on each one. TheJava 8 streams libraryand itsforEachmethod allow us to write that code in a clean, declarative manner. ...
It’s a very common programming task to convert string representation to integer value. But it could be tricky to implement it correctly, taking into account all possible input values. Let’s use TDD to drive our algorithm design. Let’s start with the easiest possible tests. assertEquals( 12...
Tricky one but he managed to write using while and for loop. 13. When do you override hashcode and equals() ? Whenever necessary especially if you want to do equality check or want to use your object as key in HashMap. check this for writing equals method correctly 5 tips on equals in...
Writing such expression parsers is pretty common and can be quite tricky to get right. To simplify things, PetitParser comes with a builder that can help you to define such grammars easily. It supports the definition of operator precedence; and prefix, postfix, left- and right-associative operat...