java basics
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Core Java
An object reference is required to access a non-static field
Hello. In this tutorial, we will talk about the “an object reference is required to access a non-static field” error…
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servlet
Http Servlet Java
Hello. In this tutorial, we will talk about HTTP Servlet in Java. 1. Introduction In Java, an HTTP Servlet is…
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Core Java
Java Cannot Find Symbol Error
Hello. In this tutorial, we will talk about cannot find symbol errors in Java and their significance. 1. Introduction The…
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Core Java
Parameter vs Argument in Java
Hello. In this tutorial, we will talk about Parameter vs Argument in Java. 1. Introduction 1.1 What is an argument…
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Core Java
jOOQ – Java SQL Generator
Greetings! This tutorial will understand the jOOQ in Java. 1. Introduction jOOQ (Java Object Oriented Querying) is a popular open-source…
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Core Java
Reverse a Linked List
Greetings! This tutorial will focus on how to reverse a linked list in java. 1. Introduction Linked lists are a…
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Core Java
What is ++ in java?
Hello. In this tutorial, we will understand the postfix and prefix operators in the java programming language. 1. Introduction In…
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Core Java
What does :: mean in Java?
Hello. In this tutorial, we will understand the method references (double colon (::) operator) in the java programming language. 1.…
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Core Java
Java streams api – Convert list to map
Hello. In this tutorial, we will understand how to convert a list to a map, using the java streams api…
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Core Java
Longest Substring Without Repeating Characters
Hello. In this tutorial, we will implement an important data structure question known as finding the longest substring without repeating…
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