importjava.io.File;publicclassChangeFileName{publicstaticvoidmain(String[]args){// 文件路径StringfilePath="C:/Users/username/Desktop/test.txt";// 创建File对象Filefile=newFile(filePath);// 新文件名StringnewFileName="newTest.txt";// 改变文件名FilenewFile=newFile(file.getParent(),newFileName)...
在这个方法中,我们传入原文件名oldName和新文件名newName作为参数,然后使用renameTo方法来修改文件名。如果修改成功,输出"File name changed successfully",否则输出"Failed to change file name"。 3. 完整示例 现在我们将以上两个方法整合到一个完整的示例中,来演示如何导出文件并修改文件名: publicclassFileExportEx...
File(URIuri) 通过将给定的file:URI 转换为一个抽象路径名来创建一个新的File实例。 代码如下: 1packagecom.file;2importjava.io.File;56publicclassChangeFileName {7publicstaticvoidmain(String args[]) {89File fl =newFile("d://文件夹");//这里写上发替换的文件夹路径,注意使用双斜杠10String[] fil...
public static void main(String[] args) throws Exception{ changeIMGFileName("d:\\backup\\140591\\桌面\\待上传照片\\六爻洗髓", 117); } /** * 照片批量改名,需要传入文件夹路径 */ public static void changeIMGFileName(String path, int startPage) { File directory = new File(path); if (!d...
(new File("/Users/chenjujun/java-projects/Java-Test/src/test/java/script/test.groovy")));engine.eval("def sayHello(name,age){return 'Hello,I am ' + name + ',age' + age;}");Long time=(Long)((Invocable)engine).invokeFunction("getTime",null);// 反射到方法System.out.println(time)...
ClassFileBufferStrategy.Default.RETAINING, InstallationListener.NoOp.INSTANCE, new RawMatcher.Disjunction( new RawMatcher.ForElementMatchers(any(), isBootstrapClassLoader().or(isExtensionClassLoader())), new RawMatcher.ForElementMatchers(nameStartsWith("net.bytebuddy.") ...
[root@centos ~]# javac Usage: javac <options> where possible options include: @<filename> Read options and filenames from file -Akey[=value] Options to pass to annotation processors --add-modules <module>(,<module>)* Root modules to resolve in addition to the initial modules, or all...
String fileName = "/Users/zzs/temp/1.txt"; // 创建文件,仅为实例,实践中由其他程序触发文件的变更 createFile(fileName); // 执行2次 for (int i = 0; i < 2; i++) { long timestamp = readLastModified(fileName); if (timestamp != LAST_TIME) { ...
attributes = readAttributes(jarfile); premainClass = getAttribute(attributes,"Premain-Class");/* Save the jarfile name */agent->mJarfile = jarfile;/* * Convert JAR attributes into agent capabilities */convertCapabilityAttributes(attributes, agent);/* ...
Instances of the File class are immutable; that is, once created, the abstract pathname represented by a File object will never change. Interoperability with java.nio.file package The java.nio.file package defines interfaces and classes for the Java virtual machine to access files, file attribut...