web 1.0</strong></a> mainly consisted of static, <strong>non-interactive websites</strong>, Brendan Eich, co-founder of the Mozilla project, worked on developing a programming language that focused on interactivity. He did so by manipulating the logical structure known as the Document Object Model (DOM).</p>\n<p>JavaScript was inspired by two other programming languages &ndash; <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-java/">Java and Scheme. It took aspects of both languages and incorporated them into the intuitive syntax and toolset.</p>\n<p>There are two general paradigms primarily used in programming, <strong>both of which JavaScript supports</strong>. The first is object-oriented programming. Here, classes and methods interact via objects that represent real-time interrelationships on an instance basis.</p>\n<p>The second paradigm, functional programming, does not have the concept of shared state and mutable data. It works on <strong>pure functions for problem-solving</strong> and relies solely on first-order logic constructs, such as lambda expressions, as well as high-order functions.</p>\n<p>The engine is one of the <strong>core components </strong>in the entire JavaScript ecosystem. It is capable of computing just-in-time (JIT) compilations that comply with <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-node/">computer nodes</strong></a> during execution, save storage space, and positively impact overall productivity.</p>\n<p>The JavaScript engine contains two important components &ndash; memory heap and call stack. A memory heap is required for memory allocation while a call stack is used to track function calls.</p>\n<p>While other programming languages, like C#, are able to <strong>run multiple instruction</strong> sets at the same time, JavaScript&rsquo;s engine is a single-threaded language with only one call stack in the engine.</p>\n<p>Single-threaded languages like JavaScript are <strong>unable to implement parallel programming</strong>. However, design engineers have developed <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-asynchronous/">asynchronous callbacks to alleviate this limitation.</p>\n<p>Asynchronous callbacks allow the engine to take instructions out of the call stack, let them run in the background, and return the final result via the event loop after the asynchronous code is executed. Therefore, <strong>JavaScript can run parallel programming</strong> even though it&rsquo;s a single-threaded language.</p>\n<p>JavaScript is one of the most popular programming languages due to its strange structure. It can support programming paradigms and has been used in the development of some of the best-known digital technologies. JavaScript is widely used by cloud, AI, and <strong>blockchain developers</strong>.</p>\n<p>JavaScript has been used in the development of blockchain-based cryptocurrencies and applications. With decades of use cases, JavaScript&rsquo;s ecosystem contains massive quantities of prebuilt UI/UX and front-end development solutions that have been implemented in blockchain-adjacent programming.</p>\n<p><strong>Web3.js</strong> libraries have been used to link the backend application with <a href=https://www.bitdegree.org/"https://www.bitdegree.org/crypto/buy-ethereum-eth/">Ethereum (ETH)</strong></a> via JavaScript. This helps improve the speed of the development process as the templates can be used instead of having to build everything from the ground up.</p>\n<p>The number of ready-made elements means that programmers don&rsquo;t need to heavily rely on other programming languages like <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-solidity/">Solidity. JavaScript is one of the core components of <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-lightning-network/">lightning apps</strong></a> and the <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-raiden-network/">Raiden network</strong></a>, which are two networks built using the Bitcoin and Ethereum blockchains respectively.</p>\n<p>The <strong>universal applicability of JavaScript</strong> means that it will likely be utilized widely in further crypto-related projects.</p>","level":"medium","meta_title":"What is JavaScript? Definition & Meaning | Crypto Wiki","meta_description":"JavaScript meaning: JavaScript - a programming language used to develop web-based applications.","meta_keywords":null,"language":"en","created_at":"2022-03-18T14:47:22.000000Z","updated_at":"2022-09-14T07:53:46.000000Z","preview_url":"https://www.bitdegree.org/crypto/learn/crypto-terms/what-is-javascript"},"prevSection":{"id":9202,"original_id":null,"author_id":41,"translator_id":null,"title":"What is Instant Buying Power?","slug":"what-is-instant-buying-power","section":"I","keyword":"Instant Buying Power","status":"published","definition":"a good faith system used by brokerage firms to grant users a limited amount of credit during the transfer settlement period.","content":"<p>When customers make transactions using <a href=https://www.bitdegree.org/"https://www.bitdegree.org/crypto/learn/crypto-terms/what-is-automated-clearing-house-ach/" target=\"_blank\" rel=\"noopener\"><strong>automated clearing house (ACH)</strong></a> systems, they can sometimes take several days to settle. This can hinder financial operations for traders that need access in the interim.</p>\n<p>To facilitate this, brokerages provide customers with <strong>provisional credit</strong> in the form of <strong>instant buying power</strong>. It&rsquo;s a limited amount of assets that does not exceed the sum being settled. Other criteria, like the customer account type, account balance, and credit score, may impact the amount of instant buying power granted.</p>\n<p><strong>Other restrictions may apply to provisional credit distribution.</strong> New users may only be eligible to receive a limited amount of instant buying power below their initial transaction amount. The distribution also depends on the deposit time. Users that deposit assets during the weekend may not receive their credits until Monday.</p>\n<p>Instant buying power is granted based on the <strong>good faith agreement</strong> between the brokerage and the customer that the funds will be settled successfully. It can be used for trading in various markets, including stocks and <a href=https://www.bitdegree.org/"https://www.bitdegree.org/crypto/learn/crypto-terms/what-is-exchange-traded-fund-etf/" target=\"_blank\" rel=\"noopener\"><strong>ETFs</strong></a>. However, trading with provisional credits may not be available in derivatives markets like options.</p>","level":"easy","meta_title":"What is Instant Buying Power? Definition & Meaning | Crypto Wiki","meta_description":"Instant Buying Power meaning: Instant buying power - a system used by brokerage firms to grant users a limited amount of credit during the transfer settlement period.","meta_keywords":null,"language":"en","created_at":"2022-12-19T09:26:34.000000Z","updated_at":"2022-12-19T09:26:39.000000Z","preview_url":"https://www.bitdegree.org/crypto/learn/crypto-terms/what-is-instant-buying-power"},"currentChapter":"J","currentSection":"what-is-java","chapterTitle":"J","readingLevel":"easy"},"url":"/crypto/learn/crypto-terms/what-is-java","version":"cdd198d50cbe5c9c21c9329d7c096ffc"}" class="container-fluid d-flex crypto-book p-0">
Handbook Cover Page
Crypto Terms: Letter J

What is Java?

Java MEANING:
Java - general-purpose, class-based, object-oriented programming language.
Easy
1 minute

Let's find out Java meaning, definition in crypto, what is Java, and all other detailed facts.

Java is a secure, class-based, general-purpose, object-oriented programming language. It has lesser implementation dependencies by design. Java acts as a computing platform for app development. It is used to develop apps for a number of devices, including laptops, consoles, and supercomputers, due to its speed and reliability.

Java was initially launched as Oak in 1989. However, in 1995, the language was renamed to Java, inspired by Indonesian Java coffee. It was upgraded from its initial functionalities to be more compatible with the World Wide Web (WWW) developments.

In 2009, Sun Microsystems, the company behind Java, was acquired by Oracle Corporation. This acquisition meant that the ownership rights over Java, MySQL, and Solaris were transferred to Oracle.

Programmers can use the Java platform to access a collection of platforms that assist in the development process. The platform can also be used to efficiently run Java-based applications. It includes an execution engine, a compiler, and a set of libraries.

Most Android apps, as well as enterprise software, are typically developed using Java. The programming language is also used for Big Data analytics, hardware device programming, and server-side technologies such as Apache.
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