Top 35 Java String Interview Questions with Answers for 2 to 5 Years Experienced Programmers – Java67

Hello Java Programmers, if you are preparing for a Java developer interview and want to refresh your knowledge about  String class in Java then you have come to the right place. In the past, I have shared 130+ Core Java Interview Questions and 21 String Coding Problems for Interviews and in this article, I am going to share 35 Java String Questions for Interviews. The  String class and concept is a very important class in Java. There is not a single Java program out there which is not use String objects and that's why it's very important from the interview point of view as well. In this article, I am going to share 35 String-based questions from different Java interviews.

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Java Interview questions and tutorials

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How to calculate perimeter and area of square in Java? Example Tutorial – Java67

If you are looking for a solution of problem how to calculate perimeter and area of a given Square in Java then you have come at the right place. In this article, I have given step by step solution of this common coding problem. This was actually a homework exercise when I was learning Java program and since I was good at Maths, I know how to calculate Perimeter and Area of Circle and Square but big challenge for me was to convert that knowledge into code. Another big challenge for me was how to take input from user actually that was the mistake I made when I first solved this problem. 

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Java Interview questions and tutorials

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Top 20 Java Access Modifier Interview Questions Answers for 1 to 2 Years Experienced – Java67

Access modifiers is one of the essential concept in Java and every programmer should be familiar with, and because of its importance, its also a popular topic in Java interviews. Access modifier can be applied to class, method, fields, and variables and as the name suggests they control the access. Like who can access that particular class, method or variable. For example, public modifier provides universal access which means any public class, method or variable is accessible by everyone and everywhere. In other words, you can access a public class both within the package and outside the package. 

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Java Interview questions and tutorials

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12 Database SQL Index Interview Questions and Answers [New!!]

A good understanding of Index is very important for any programmer working with database and SQL. It doesn't matter whether you are working as DBA or Application developer, working in Oracle, MySQL, or Microsoft SQL Server or any other database, you must have good understanding of how index works in general. You should know different types of index and their pros and cons, how your database or Query engine chooses indexes and the impact of table scan, index scan, and index seek. You should also be able to build upon your knowledge to optimize your SQL queries as well as troubleshoot a production issue involving long running queries or poor performing queries. This is also a great skill for experience developers with 5 to 6 years of experience under his belt. 

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Java, Unix, Tibco RV and FIX Protocol Tutorial

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50+ Java Collections and Generics Interview Questions with Answers [New!!]

Hello guys, If you are preparing for Java interviews then you may know that Java Generics and Collections are two of the most important topics, particularly Generics where some of the trickiest Java questions can be asked. They are also used to gauge your experience and depth of your Java knowledge, hence it's imperative for both beginners and experienced Java programmers to prepare this topic well. While the Java Collection framework provides an implementation of some command data structures like List, Set, Array, Hash table, Queue, Stack, PriorityQueue, etc, Generics provides Type safety.

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Java, Unix, Tibco RV and FIX Protocol Tutorial

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