Category: Java

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How To Install Java (JRE) Update On Windows?

Java is a programming language which is very popular amongst developers. In order to run Java applications Java Runtime Environment a.k.a. JRE should be installed. As new features come or security bugs fixed JRE is updated regularly. Java or JRE can be updated in different ways where we will look...

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Java Set Tutorial with Examples

Java programming language provides the Set structure which implements array or list like collections. It is an unordered collection of objects where duplicate values cannot be stored. Objects can be generally string, integer or complex objects like classes. HashSet, LinkedHashSet and TreeSet structures implement the Set as base or ancestor....

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How To Compile Java Source Code with Javac Tool?

javac is a tool used to compile Java applications or source code. javac reads class and interface definitions and compiles them into bytecode class files. These class files have *.class extension. Syntax javac usage syntax is a bit complex according to generally Linux tools. javac OPTIONS SOURCEFILES CLASSES ARGFILES OPTIONS...

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Foreach Usage In PHP, JavaScript, Java, C#, Python Programming Languages with Examples

Loops are an important part of the programming languages. For and While loops are used for decades in different programming languages. Foreach provides similar functionality with a more elegant way by iterating over the given list. In this tutorial, we will examine foreach in different programming languages like PHP, JavaScript,...

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How To Convert String To Int (Integer) In Java?

Java programming language provides different variable type. One of the most used types are String and Int or integer. During the usage of these variable types we may need to convert them. In this tutorial we will examine string to int and int to string variables types conversion in Java...

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While Loop In Java, Javascript, C++, C#, Python Programming Languages

Programming languages like Javascript, C++, C#, Python provides while loops in order to iterate over given list, array, set etc. while loop is very important part of the programming language because of its functionality. In this tutorial we will examine and compare while loop for programming languages like Javascript, C++,...

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Globally Unique Identifier (GUID) Generator For Linux, Windows, Java, PHP, C#, Javascript, Python

Globally Unique Identifier (GUID) is pseudo random string which consist of 32 letters, numbers (0-9) and 4 hyphens to separate letters. These letters are randomly generated. In probability theory this value is unique and can be used as secret and session cookie etc. Example GUID Following line provides a GUID....

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How To Run Java Application From Command Line with java Command with Command Line Arguments?

Java is popular programming language used by a lot of developers in different cases on different platforms. We can use Java applications from command line or from GUI but in the start we generally use command line to start the application. In this tutorial we will learn how to compile...

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What Is Linux, Unix Socket?

Socket is a mechanism which provides connection between two process or system by using network stacks. In a more clear way we can use sockets communicate and transfer data between two system. As we know Unix and Linux systems works on file logic. Everything in operating system is file where network...

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