FileUtility将内容写入文件
import java.io.BufferedOutputStream;import java.io.File;import java.io.FileOutputStream;public class FileUtility {public static void delete(File file) {if (file.exists())file.delete();}public static void write(File file, String contents) {try {if (file.exists())file.delete();BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(file));out.write(contents.getBytes());out.close();} catch (Exception e) {e.printStackTrace();}}public static void main(String[] args) {File file = new File("E:\\TestLeapYear.java");String contents = "E:\\TestLeapYear.java";FileUtility.write(file, contents);}}