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3 Examples of Parsing HTML File in Java using Jsoup

HTML is the core of the web, all the pages you see on the internet are based on HTML, whether they are dynamically generated by JavaScript, JSP, PHP, ASP or any other web technology. ...
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Why you should control Visibility of Class and Interface in Java

One of the important aspects of software development is maintenance, and  it’s proven by experience that a piece of software which keeps visibility of its components low is more ...
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2 Examples to Convert Byte[] array to String in Java

Converting a byte array to String seems easy but what is difficult is, doing it correctly. Many programmers make mistake of ignoring character encoding whenever bytes are converted ...
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15 Java Socket Programming, Networking Interview Questions and Answers

Networking and Socket Programming is one of the most important areas of Java programming language, especially for those programmers, who are working in client/server based applications. ...
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Difference between getPath(), getCanonicalPath() and getAbsolutePath() of File in Java

The File API is very important one in Java, since it gives access of File system to Java programs. Though Java’s file API is rich, there are lot of subtleties to know when you ...
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How to Load Resources from Classpath in Java with Example

Classpath in Java is not only used to load .class files, but also can be used to load resources e.g. properties file, images, icons, thumbnails, or any binary content. Java provides ...
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9 Differences between TCP and UDP Protocol – Java Network Interview Question

TCP and UDP are two transport layer protocols, which are extensively used in internet for transmitting data between one host to another. Good knowledge of how TCP and UDP works is essential ...
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Top 5 Java Performance Tuning Books – Best of Lot, Must read

Why Java developer should read a book on Performance tuning? When I first faced this question long time back, I thought I will do it later, but I never get back to that for a long time. ...
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Top 50 Java Thread Interview Questions Answers for Freshers, Experienced Programmers

You go to any Java interview, senior or junior, experience or freshers,  you are bound to see couple of questions from thread, concurrency and multi-threading. In fact this built-in ...
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How to use CopyOnWriteArraySet in Java with Example

CopyOnWriteArraySet is little brother of CopyOnWriteArrayList class. These are special purpose collection classes which was added on JDK 1.5, along with their most popular cousin ConcurrentHashMap. ...
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