public static void main(String [] args) throws IOException { ReadPropertiesFileJavaMain rp = new ReadPropertiesFileJavaMain(); System.out.println("Reading file from resources folder"); System.out.println("---"); rp.readFile("config.properties"); System.out.println("---"); } public void...
5. 参考资料 [How to read a file from the resources folder in Java]( [Java ClassLoader]( [Java Properties](
Learn to read a file from the resources folder in a Java application. We will learn to read the file present inside thejarfile, and outside the Jar file as well. A file outside thejarfile may be present as awarfile or an Eclipse project in thedevelopment environment. 1. Packaging a ...
}// get a file from the resources folder// works everywhere, IDEA, unit test and JAR file.privateInputStreamgetFileFromResourceAsStream(String fileName){// The class loader that loaded the classClassLoaderclassLoader=getClass().getClassLoader();InputStreaminputStream=classLoader.getResourceAsStream...
You can refer to an existing thread [1] to understand how to read a JSON file from the resource folder. importcom.fasterxml.jackson.databind.ObjectMapper;importcom.fasterxml.jackson.databind.type.CollectionType;importcom.fasterxml.jackson.databind.type.TypeFactory;importcom.f...
JVM 的默认FileSystem(俗称操作系统的默认文件系统)可以通过FileSystems().getDefault()方法获得。一旦我们知道文件系统和文件(或目录/文件夹)的位置,我们就可以为它创建一个Path对象。 另一种方法包括从统一资源标识符(URI)创建Path。Java 通过URI类包装一个URI,然后我们可以通过URI.create(String uri)方法从一个...
Resources作为源文件打包后其下的文件直接会被存放到classes下, 很可能会抛出一个Exception cannot be resolved to absolute file path because it does not reside in the file system:jar:file: 或者是FileNotFindExpcetion 这里有两个需求: 读取资源文件,读取指定文件(Class) ...
1.创建文件 import java.io.File; import java.io.IOException; public class CreateFileExample { public static void main( String[] args ) { try { File file =
A Module is a group of closely related packages and resources along with a new module descriptor file. 一个模块是一组密切相关的包和资源,以及一个新的模块描述符文件。怎么理解这个概念呢?实际上抽象理解为在 package 的基础上再套了一层包即可。
fun getFileSize(file: File?): Long fun getFileSize(uri: Uri?): Long③自动计算指定文件/文件夹大小(Automatically calculate the size of the specified file folder)自动计算指定文件或指定文件夹的大小 , 返回值带 B、KB、M、GB、TB 单位的字符串...