创建临时目录
import java.io.IOException; import java.nio.file.Files; /* nowjava */ import java.nio.file.Path; public class Main { public static void main(String[] args) { String tmp_dir_prefix = "nio_"; try { // passing null prefix Path tmp_1 = Files.createTempDirectory(null); System.out.println("TMP: " + tmp_1.toString()); // set a prefix Path tmp_2 = Files.createTempDirectory(tmp_dir_prefix); System.out.println("TMP: " + tmp_2.