To check if a directory exists in Groovy, you can use the File class and its exists() method, like this: Check if Directory Exists in Groovy Examples File dir = new File('/path/to/dir') if (dir.exists()) { // do something println('Directory exists') } In this example, the File object is created with the path to the directory …
To convert a number to a string in Groovy, you can use the toString() method. This method is available on all numerical data types, such as int, double, and BigDecimal. Convert Number to String Examples in Groovy Here are some examples of using the toString() method to convert numbers to strings in Groovy: // convert …
In Groovy, a class is a blueprint for creating objects. It defines the properties and behavior of the objects that are created from it. A class is a way of organizing and structuring your code, allowing you to create and use objects that have the same characteristics and behavior. To check if a class has …
In Groovy, a list is an ordered collection of elements. It is similar to an array in other programming languages. A list allows you to store and retrieve elements in a specific order. To check if a list is empty in Groovy, you can use the isEmpty() method. Here's an example: Check if List is …
In Groovy, a map is a collection of key-value pairs. It is similar to a dictionary in other programming languages. A map allows you to store and retrieve values based on a key. To check if a map is empty in Groovy, you can use the isEmpty() method. Here's an example: Check if Map is …
To check if a file contains a string in Groovy, you can use the contains() method on the file's text property. Here's an example: Check if File Contains a String in Groovy Examples def fileName = "myfile.txt" def text = "Hello world" new File(fileName).append(text) def str = "Hello world" if (new File(fileName).text.contains(str)) { println "$fileName …
To escape HTML characters in Groovy, you can use the StringEscapeUtils.escapeHtml() method from the org.apache.commons.lang3 library. Here's an example: Escape HTML Characters in Groovy using StringEscapeUtils Example import org.apache.commons.lang3.StringEscapeUtils def str = "<p>Hello world!</p>" def escapedStr = StringEscapeUtils.escapeHtml(str) println escapedStr This code escapes the HTML characters in the string str. The output will be: <p>Hello …
To check if a string contains a substring in Groovy, you can use the contains() method. Here's an example: Check if String Contains a String in Groovy Examples This code checks if the string str contains the substring "world". If it does, it prints "str contains 'world'". If it does not, it prints "str does …
To check if a file exists in Groovy, you can use the new File(<file_name>).exists() method. Here's an example: def fileName = "myfile.txt" if (new File(fileName).exists()) { println "$fileName exists" } else { println "$fileName does not exist" } This code checks if a file named myfile.txt exists in the current directory. If it does, it …
This post provides an example of how to check if a variable is null in Groovy. The code defines a is_null function that takes a variable as its argument, and checks if the variable is null. If the variable is null, the function returns true, indicating that the variable is null. Otherwise, the function returns …
