import java.io.File; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.List; import org.junit.Test; public class ListFile { public void listJavaFile(String fileName) { File file = new File(fileName); if (file.isDirectory()) { File[] files = file.listFiles(); for (int i = 0; i < files.length; i++) { String name = files[i].getName(); if (name.trim().toLowerCase().endsWith(".java")) { System.out.println(name + "\t"); } if (files[i].isDirectory()) { String path = files[i].getPath(); listJavaFile(path); } } } } @Test public void testListJavaFile() throws Exception { listJavaFile("."); } }
运行测试,输出:
TestAction.java
TestSpring.java
ListFile.java
Multiple.java