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...
Java Reflection API provides the ability to inspect and modify the runtime behavior of java application. We can inspect a java class, interface, enum and get their methods and field details. Reflection API is an advanced topic and we should avoid it in normal programming. Reflection API usage ...
Why this programming question?This java interview question is mostly for candidates who claim at least 2 years of experience working in a sizeable team. Working together with many people on a large codebase has its own unique set of difficulties, one of which is how to coordinate large-scale...
Programming Languages 10 Java Interview Questions You Should KnowWritten By HackerRank | September 6, 2022Java interview questions have been a critical component of technical hiring for decades. If you’re a developer or engineer on the job market, the ability to demonstrate your Java skills in ...
When you are preparing to interview for a Java programming job, it’s important to consider the questions you’ll be asked. These interview questions can vary based on many factors, including company type, role level, and how long the company you interview with has been in business. How can...
11How you can force the garbage collection? Garbage collection automatic process and can't be forced. 12What is OOPS? OOP is the common abbreviation for Object-Oriented Programming. 13Describe the principles of OOPS. There are three main principals of oops which are called Polymorphism, Inheritan...
Learn Java programming like a pro with the help of our simplified tutorials, examples and frequently asked Java interview questions and answers.
Another good Java interview question, I think answer is not sufficient but here it is “Substring creates new object out of source string by taking a portion of original string”. see my post How SubString works in Java for detailed answer of this Java question. ...
An excellent answer to this interview question is “because they are incompatible“. TheCollectioninterface has a methodadd(Object o). TheMapcan not have such a method because it needs key-value pair. There are other reasons also such asMapsupportsEntrySet etc.Collection classes do not have suc...
But also if we say that java is not a completely object-oriented programming language because it has the support of primitive data types like int, float, char, boolean, double, etc. Now for the question: Is java a completely object-oriented programming language? We can say that - Java is...