This post provides an overview of some of the available alternatives to accomplish this. Open through Menu Search / File. However, if these number was arrived at as a result of an intentional effort to reduce the line count of methods then you might have ended up with a single logical task being spread around several private methods which will make it more difficult to understand the class (in certain cases). The number of line breaks should approximate the lines of code. 7 Lines per method: Indeed sounds good. Select the projects for which you want to count the lines of code in the Package Explorer. We can read lines in a file using BufferedReader class of Java. When creating output from a Java program, you can control where line breaks occur in the text that you output by using the println method, which puts a line break at the end of … This is the most commonly used method to return multiple values from a method in Java. Java Multiple Methods In One Class : This program shows how we can create multiple methods in a class and how we can call one method from another method. 1. The same with wc -l (UNIX command-line-tool to count lines), 11 seconds. Using a POJO class instance. The type of processing it does is conventionally conveyed by the name it is referred to. The syntax to declare a method is: returnType methodName() { // method body } Here, returnType - It specifies what type of value a method returns For example if a method has an int return type then it returns an integer value. Parameters act as variables inside the method. An alternative third-party library would be Google Guava Files class.This class can also be used to count the total number of lines in a similar way to what we saw with Files#readAllLines. This solution (started with java without parameters like -server or -XX-options) needed around 11 seconds on my box. The lines of code can be determined by searching all the Java source files in the selected resource for line breaks. A method typically consists of a set of well-defined program statements. Let’s start by adding the guava dependency in our pom.xml: guava 28.0-jre … This type of comments are used generally when writing code for a project/software package, since it helps to generate a documentation page for reference, which can be used for getting information about methods present, its parameters, etc. More on that in a bit. Yes, main is a Java method. If the method does not return a value, its return type is void. 3. First thing: 20.000 lines are too few, to get the program running for a noticeable time. Methods, in a way, are the action points in Java. The following example has a method that takes a String called fname as parameter. Let's see what main looks like again: This is how you create Java methods. I keep mentioning the main method. But the beauty of Java lies in the fact that we can do desired things with some smart workarounds. Consider the following text file in the classpath. See the example below − Example. Main just happens to be a method that your main program needs in order to run. This is Line 1 This is Line 2 This is Line 3 This is Line 4 This is Line 5 This is Line 6 This is Line 7 This is Line 8 This is Line 9 This is Line 10. Java provides a ton of great tools for drawing lines and shapes. 1. 2. This is not a Java method, but this is a call to a method. Declaring a Java Method. Parameters are specified after the method name, inside the parentheses. I created a text-file with 5 million lines. You can add as many parameters as you want, just separate them with a comma. Through the Graphics or Graphics2D class, we can draw and fill a wide variety of items. Lines Of Code. Information can be passed to methods as parameter. We can also accomplish single line comments by using the above syntax as shown below: /*Comment line 1*/ Documentation Comments. It has a name and a set of different types of arguments (0 or more). test.txt.