<p>Java Programming notes: Prepare now Java Programs for competitive exams online at of cost. In modern days, the Java programming language is used in various government competitive examinations. In view of this, we are bringing these helpful Java programming basics for cracking any competitive examinations.</p>



<p>Lets know in detail step by step from the very fundamentals online below</p>



<h2 class="wp-block-heading">What is Java Programming, and when was it developed?</h2>



<p>Java Programming is one of the powerful programming languages created in the year 1995 for use in the development of mobile apps, web apps, servers, gaming apps, DBMS connections, etc. This is an object-oriented program, which means it defines a clear structure to the program, and code reusability is allowed, which also decreases the cost to build.</p>



<p>Let&#8217;s take an example below and understand its syntax style first</p>



<blockquote class="wp-block-quote is-layout-flow wp-block-quote-is-layout-flow">
<p>public class Main {</p>



<p>public static void main(string[] args)</p>



<p>{</p>



<p>String name=&#8221;Google&#8221;;</p>



<p>System.out.println( &#8220;Good Morning&#8221; + name);</p>



<p>}</p>



<p>}</p>



<p>Output : Good Morning Google</p>
</blockquote>



<p>From the above example, you can understand a lot of things, starting from the public class, main method, statement and executing the code.</p>



<p>So what is first seen on the above program is that the class is first initiated in every Java application, and the class name should match the file name. This class is very important as every line of code is run inside this class. For our PGM, the class is &#8220;Main&#8221; written in uppercase letters.</p>



<p>As you might not know also that Java program language a case-sensitive programming language; for example, <strong>variable names</strong> such as <strong><em>myClass</em> </strong>and <strong><em>Myclass</em> </strong>are two different ones.</p>



<p>The starting point of the program we write is the main (), and the curly braces tell the beginning and ending of the block of Java code.</p>



<p>And about the println used in the System.out.println, we can also use print only, but the difference is that in print only, there is no new line creation; however, with the use of the println in the System.out.println, it creates a new line on the output screen.</p>



<p>System.out.println (&#8220;Hello Google&#8221;); explanation: There is the built-in Java class in the System, Out refers to output, Println means print line. In the above, we use Hello Google, but if we use a number instead of this, then we must use no quotes. For example, System.out.println (6000); then it will output the 6000.</p>



<p>Why do developers choose to use Java the most?</p>



<p>Due to the following features and abilities, this programming language is mostly liked by developers around the world. The key features are</p>



<ul class="wp-block-list">
<li>Simple language, which is very easy to understand and learn</li>



<li>An open-source and free programming language </li>



<li>Object-oriented approach</li>



<li>Its compatibility with different platforms, for example, Pi, Mac, Linux Ubuntu, Windows XP, 7, 8, 9, 10, etc.</li>
</ul>

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