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Working with Charset in Java

Java supports multiple charsets, thanks to the library java.nio.charset.Charset. We will use this library in today's programming tutorial. Read more.

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How to Use the Source Command in MySQL

Learn how to upload an SQL data file to a database using MySQL and the source command. Follow along with these step-by-step instructions.

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How to Write Comments in Java

Learn how to write comments and multi-line comments in the Java programming language to better document your code and applications.

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How to Create the Hello World Program in Java

The Hello World app is every developer's entry into the world of programming. We learn how to create the Hello World program in Java. Code with us.

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Using Java Comparison Operators

Learn how to work with Java comparison operators and follow along with code examples in this programming tutorial.

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Python Comparison Operators

This article contains a list of the different Python comparison operators and explains how to use them. Follow along with our code examples. 

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How to Use Java ArrayList

Learn how to use the Java ArrayList class in Java. Follow along with code examples. 

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Using Add() and Remove() ArrayList Methods in Java

Learn how to work with the ArrayList class and use the add() and remove() methods to add and remove elements in an array using Java. Learn more.

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Using get(), set(), and size() with Arraylist in Java

Java programming tutorial shows how to use the get(), set(), and size() methods on ArrayLists to change and access array elements. Learn more.

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Java String Methods toUpperCase() and toLowerCase()

This Java quick tip shows you how to convert Strings and text into lowercase and uppercase using String methods. Read our code examples and tips.

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How to Accept User Input in Java

Learn how to use the Scanner class and nextLine() method to accept user input in Java. Learn the java.util package and other methods. 

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How to Create the Hello World App in Kotlin

Today we will learn how to create the Hello World application in Kotlin, the eventual replacement for Java. Learn how to code your first Kotlin app.

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Creating Variables in Kotlin

In this programming tutorial we take a look at the Kotlin language. Learn how to create the different types of variables in Kotlin with code examples.

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Using CopyOnWriteArrayList in Java

This quick Java tutorial shows you how to use CopyOnWriteArrayList in Java. Read along with our sample code.

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Find Element Position in an Array with Java

Learn how to find the position of an element in an Array in this Java programming and developer tutorial. 

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Generate Random Numbers in Java Within a Range

In this article we learn how to create a random number generator in Java that randomizes numbers within a range. Learn more.

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Java: How to List All Network Interfaces

Learn how to list all networking interfaces in Java using the java.net and java.util packages. Read our code examples. 

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How to List Memory Types in Java

Learn how to list the available memory types in Java using the java.lang.management.MemoryType package utility. Practice with our code examples.

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How to Remove a System Property in Java

Learn how to remove a system property in Java using java.util package methods. Practice Java coding with our example code.

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How to Read Data from a URL in Java

This programming tutorial teaches developers how to use the java.net package and its methods to read data from a URL. Read our code examples.

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