java – POFTUT

Tagged: java

How To Set Java, JRE and JDK Home Path and Environment Variables On Windows? 0

How To Set Java, JRE and JDK Home Path and Environment Variables On Windows?

Java is a very popular programming language which provides a different component in order to run, develop Java applications. JRE or Java Runtime Environment is used to run Java application. JDK or Java Development Kit is used to develop Java applications. In this tutorial, we will learn how to set up Java, JRE, and JDK operating system path variables in order to work properly. Locate JRE or JDK Path Before...

How To Download, Install JDK (Java Development Kit) On Windows? 0

How To Download, Install JDK (Java Development Kit) On Windows?

Java Development Kit or JDK is a tool kit used to develop Java applications. Java programming language uses this toolkit to load libraries, class, functions, etc. JDK also provides a compiler for the Java programming language which can compile Java source code into Java byte code or Java binary. JDK also provide the JRE (Java Runtime Environment) which is used to run Java application or Java bytecode. Oracle JDK Oracle...

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How To Download, Install Android Studio On Windows?

Android is the most popular mobile platform and operating system used by mobile and entertainment devices like Smart Phones, TV Box, Embedded Systems, Mobile Entertainment Systems. Android Operating system applications are generally provided by the Play Store. In order to develop applications there are different Integrated Development Environments but Google the creator of the Android provides Android Studio for free. In this tutorial, we will learn how to download and...

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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 at these ways in this tutorial. Install Java (JRE) We will start with the installation of Java or JRE. First,...

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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 are used to specify command line options provided by javac SOURCEFILES are used to specify one or more source files...

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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 programming language. Convert with parseInt() Function parseInt() is a function which can be used to convert string to int. parseInt() is...

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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 and start a Java application by providing arguments. Example Java Application We will use following Java code during this tutorial....

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How To Install OpenJDK Java Programming Framework To The Linux?

Java is popular programming language for different platforms and project. Java is actually a programming language standard. Sun provides Java programming language tools under the name of Java Runtime Environment or JRE or Java Development Kit or JDK.  There is alternative name OpenJDK which is another Java implementation. In this tutorial we will learn how to install OpenJDK. OpenJDK vs JDK OpenJDK is as its name suggests open source, open...

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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 connections are files too. Use Cases Sockets can be used in different cases. We can use socket to transfer data...

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How To Find and Verify Installed Java Runtime Version?

Java Runtime Environment is used to run Java applications. Java Runtime Environment is called JRE. There are different versions of JRE most recents major versions are 6,7,8 . Some of the applications generally requires different version because of comp ability problems. In this tutorial we will look how to get JRE or Java version from various operating systems. If you want to learn JRE and differences with JDK please read...

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