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write a java program to display "Welcome Java" and list its execution steps.
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Where does javadoc extract comments from?
The javadoc tools extracts comments from your source code. Specifically, it will look for comments around class, field, and method definitions which are in the javadoc format: /** */
What is Javadoc from Oracle Corporation used for?
Javadoc from Oracle Corporation is used for generating API documents in HTML format. These documents can be viewed and edited online by anyone who is given access to them.
How to link to external url in javadoc?
Here's an example: @see <a href="http://www.google.com">Google</a>
How do you download java platform api specification pdf?
Follow this link: http://www.allimant.org/javadoc/index.php
Where can one find information about Javadocs?
There are many different websites from where one can get information regarding javadocs. These include Oracle, Wikipedia and a website called Javadoc Online.
Which methods are there in ActionListener interface?
The ActionListener interface has a single method.void actionPerformed(ActionEvent e) For full Java documentation see Oracle JavaDoc URL in related links below.
How do you auto generate javadoc comments in netbeans?
Type "/**" on the line before the method/class/etc declaration that you want to auto-generate the skeletal comment for. Once the skeletal comment is created fill in the rest of the important information.
What is doc comment in java?
Documentation comments (doc comments) The special comments in the Java source code that are delimited by the /** ... */ delimiters. These comments are processed by the Javadoc tool to generate the API docs. A doc comment is written in HTML and must precede a class, field, constructor or method declaration. It is made up of two parts -- a description followed by block tags. In this example, the block tags are @param, @return, and @see. The first sentence of each doc comment should be a summary sentence, containing a concise but complete description of the API item. This means the first sentence of each member, class, interface or package description. The Javadoc tool copies this first sentence to the appropriate member, class/interface or package summary. This makes it important to write crisp and informative initial sentences that can stand on their own.
How do you convert JAR to PDF?
You don't. A .jar file is a Java runtime file that's been compiled and compressed. It's not a text document, it's a program.PDF stands for Portable Document Format, and is meant for documents (esp. with images). It was designed to create a standard for document layout that wouldn't change between various devices (like palmtops, PCs, MACs etc.).In short: PDF is a document format; JAR is an executable format. They don't convert.Now, if You're looking to document the functions within the Java classess, You might want to use software that does that instead, like JavaDoc. Of course You'd have to be the original developer to have access to what's in the source of the .jar file (it's possible to reverse-engineer, but it doesn't retain much high-level meaning, as the computer doesn't need all that human-readable info to run the file).
How do you create a File in Java?
There are a number of ways to create a file in java. The following example demonstrates a few: import java.io.*; import java.nio.charset.*; public class Main { public static void main(String[] args) { try { // Simplest way PrintWriter out1 = new PrintWriter("file1.txt"); out1.println("hello file1!"); out1.close(); // Append to existing file if it already exists PrintWriter out2 = new PrintWriter(new FileWriter("file2.txt", true)); out2.println("hello file2!"); out2.close(); // If non-default charset is needed Charset charset = Charset.forName("UTF-16"); PrintWriter out3 = new PrintWriter(new OutputStreamWriter(new FileOutputStream("file3.txt"), charset)); out3.println("hello file3!"); out3.close(); } catch (IOException e) { e.printStackTrace(); } } }
Explain different types of comment line in JAVA?
// The first type of comment is the single-line comment. // The single-line comment is denoted by a double slash. /* The next type of comment begins with a slash-asterisk, and ends with an asterisk-slash. It is often called a multi-line comment because it can span multiple lines with only one start indicator (/*) and one ending indicator (*/) */ /** * The last type of comment is the Javadoc comment. This * comment type has some guidelines that allows a Javadoc * reader to display information about a Java method or class * by using special tags: * * @param myNum - describe what the parameter myNum is used for * @return - describe what this method returns */ public static int doStuff(int myNum){}
Discuss various types of class used in java?
Tools provided in java includes, 1. Jar: Mostly used tool of java, it creates jar archive file(executable file by javaw/java if you have jre installed in your system, lib files to import your classes and reuse). 2. Jarsigner: This utility signs a jar, and can verify a signed jar. 3. Keytool: Tool to create keystore and certificates. 4. servertool: Java IDL server tool. 5. Policytool: Edit and create policy, keystore is required for the same. 6. Javah: Tool to create header file. 7. appletviewer: Tool to view applets. 8. HtmlConverter: Convert applet to html. Common uses: java, javac, javaw, javadoc, javap (get the class structure) etc
