Most of the time, we use finally block just to close the resources and sometimes we forget to close them and get runtime exceptions when the resources are exhausted. These exceptions are hard to debug and we might need to look into each place where we are using that type of resource to ...
In the following code, we solved the previous problem using low coupling. Now theReportServiceclass only expects anIReportWriterimplementation, and that class would be responsible for generating the report. We can inject as many supported report types, without touching any of the other classes. pub...
1.JDBC Interview Questions and Answers If you are working on Enterprise applications, I am sure that JDBC API is a part of it. JDBC API provides database connectivity for relational databases, such as MySQL and Oracle. This article has a collection of 40+ interview questions related to the ...
If you are looking for Java Interview Questions? We are here to help you, to enhance your knowledge of Java programming language with the help of 200+ interview questions and answers. Let's learn what is Java, first.What is Java?
Most Frequently asked Java Interview Questions and Answers with examples:In this tutorial, we have covered almost 50+ important core Java interview questions for freshers and experienced candidates.…
In this post, we will some important interview questions specifically on Java 8. Java has changed a lot over years and Java 8 has introduced many new features which you need to know when you are preparing for Java interview. Here is a list of most asked Java 8 interview questions....
Java: What’s the difference between equals() and ==? Find trailing zeros in factorial Java Reflection Example Bit Manipulation Interview Questions and Answers XOR in Java Java Inner Class Example When to use inner classes in Java Inner vs nested class Java Anonymous Class Example Anonymous Class...
Top 25 Java Interview Questions : 1. Which two method you need to implement for key Object in HashMap ? In order to use any object as Key in HashMap, it must implements equals and hashcode method in Java. ReadHow HashMap works in Javafor detailed explanation on how equals and hashcode...
Java Collections Interview Questions Answers What is Java Collections Framework? List out some benefits of Collections framework? Collections are used in every programming language and initial java release contained few classes for collections:Vector,Stack,Hashtable,Array. But looking at the larger scope...
JAVA Interview Questions with AnswersJames Mikky