StartWithJava is online Java tutorial which help both freshers and experienced java programmers. Main focus on quality and ease of contents so that one can easily learn each article. Contents has been written by experienced Java programmers. Apart from Java this website will contain some other tutorials like JQuery,PHP and Payment Gateways Integration. If anyone need offline classes then contact us over [email protected].

Java Collections Interview Questions

2018-12-02 06:14

Which is root class/interface in Collection Hierarchy? Collection interface is root interface in hierarchy. Which are collection implementation classes you have worked on? ArrayList,Vector,L… Read More

Best Practices For Unit Testing

2018-10-26 03:51

Unit Testing is the most important phase of Software Development in which programmer ensures their code work as expected by writing test cases. For unit testing, Junit & Mockito are bein… Read More

Spring Interview Questions

2018-10-21 14:41

Spring Framework is most popular framework these days and various organizations use this framework. As per my experience and exposure I have prepared some of them. In many cases they s… Read More

Spring Boot: Unit Testing Using JUnit 5 & Mockito

2018-10-19 10:41

In this article we concern about the unit testing of Spring Boot based web application. This article covers the unit testing of controller,service and DAO layers. As you know unit testing pl… Read More

Java Unit Testing Quick Reference

2018-10-14 11:10

What is Unit Testing? Unit testing simply verifies that individual units of code (mostly functions) work as expected. In Unit Testing, we are verifying the correctness of a method in is… Read More

Java 8 Quick Reference

2018-09-16 16:21

Java 8 released on March 18, 2014 which provided lots of new features. Some of them are:- Topics Changes in Interface – default and static method Functional Interface Lambda Expre… Read More

Explore Reactive Programming

2018-08-07 17:21

Reactive Programming is a programming model which dealt with data streams and event propagation to build responsive and non-blocking system. A responsive system quickly react to all use… Read More

Java 8 Stream API Part 2

2018-08-04 09:42

In previous post, we dealt with the functional interfaces which are used by Stream API. In this tutorial we will learn how to work with Stream API with examples. A stream represents a sequen… Read More

Java 8 Stream API Part 1

2018-07-22 17:03

In Java 8, streams allow you to process data in a declarative style as most of the stream methods based on functional interfaces. The stream operations can be done in both parallel and seque… Read More

How To Find Unique Elements From ArrayList By Java 8

2018-06-04 05:37

Stream API provides distinct() method for finding unique elements. For this we need to provide implementation for hashcode() and equals() methods Read More

Binary Search

2018-03-11 09:39

Searching technique is the process to find an element within the lists of elements. There are two kinds of searching algorithm available to us. Linear Search Binary Search Linear Searc… Read More

Best Practices For Java Developers

2017-10-22 05:20

For being a good Java programmer, you have to follow some best practices while doing java programming. I am also doing follow them for better performance of application. Always follow most i… Read More

LinkedList In Java With Example

2017-10-07 14:58

LinkedList is a doubly-linked list implementation of the List and Deque interfaces. LinkedList allow insertion and deletion in middle more faster than arraylist. LinkedList allow support bot… Read More

Java Vector Class

2017-10-07 12:36

The Vector class implements a dynamic array of objects. Vector is synchronized collection. The Vector class has extended AbstractList class and implemented List and RandomAccess interfa… Read More

Final Keyword And Its Uses In Java

2017-09-01 16:27

The final keyword in java used in different contexts. It can be used to do following. Usages of final keyword To create constant by making variable final. To prevent method overriding by mak… Read More

Java Nested Class

2017-08-22 16:11

While we define a class within another class then it is called nested class. Nested class are divided into two parts. Static Non Static(Inner Class) Non Static or Inner class further divided… Read More

Functional Interfaces And Lambda Expressions

2017-08-18 16:32

A functional interface must have only one abstract method. You can create functional interface using @FunctionalInterface annotation. It mainly used to prevent you by giving compile time err… Read More

Java 8 Interface Default And Static Methods

2017-08-15 06:00

Prior to Java 8, we could have only abstract method in the interfaces. But from Java 8, we can have default methods and static methods in the interfaces. This feature enables us to add new f… Read More

Java Interface

2017-08-14 16:35

An Interface is a collection of abstract,static and default methods. It can have constants. Interfaces are used to abstract the interface of the classes from their implementation As all you… Read More

Abstract Class In Java

2017-08-06 14:35

Abstraction is the way of hiding implementation details and showing only required one from others. Like while we are sending messages from mobile phone, then we are not w… Read More

Doubly Linked List In C

2017-08-05 13:39

Doubly linked list data structure in linear data structure where each element has following three elements. Data Address of Next Node Address of Previous Node Advantages of Doubly Linked Lis… Read More

Wrapper Class

2017-07-31 16:51

Wrapper classes are object representation of primitive data types. For each primitive data type there is a Wrapper class in java. Following reason behind to use wrapper classes. 1)As you kno… Read More

AutoBoxing And UnBoxing