Alternately, you could use a regular expression to get the key/value pairs. (?m)^[^#]([\w]+)=([\w]+)$ will return capture groups for each key and its value, and will ignore …

Use java.util.Properties to read in the key=value file. Here is a Sun tutorial. As for the CSV, you can read in all the lines and use String#split() to break each line into an array of values.

Feb 19, 2017 · As OP requested to extract all values of image keys. This can be achieved many ways, a simple classical way using just regular java, I have built a method that can take a …

Jan 8, 2024 · Learn two approaches to read content from a text file and save it in a Java Map object along with three strategies to handle duplicate keys

In the following example, we use the Scanner class to read the contents of the text file we created in the previous chapter: myReader.close(); } catch (FileNotFoundException e) { …

Jan 8, 2024 · In this tutorial, we’ll explore different ways to read from a File in Java. First, we’ll learn how to load a file from the classpath, a URL, or from a JAR file using standard Java …

Jan 4, 2025 · There are several ways to read a plain text file in Java e.g. you can use FileReader, BufferedReader, or Scanner to read a text file. Every utility provides something special e.g. …

Apr 2, 2024 · This post will discuss how to print out all keys with values from a properties file in Java. The properties file consists of a set of key-value pairs of string type, which can be …

Basically, what I am trying to do is get every element in a JSON file, and retrieve each element's key name and value. Both the key and the value are String values. Here is an example JSON …

In this section, you will learn how to read the key-value of properties files in Java. The properties file provides the general text editor, which have the keys and it's values. Here, you will get the …