java创建和删除文件夹、文件（函数）

public void newFolder(String folderPath) {
		try {
			String filePath = folderPath;
			File myFilePath = new File(filePath);
			if (!myFilePath.exists()) {
				myFilePath.mkdir();
			}
		} catch (Exception e) {
			System.out.println("新建文件夹操作出错");
			e.printStackTrace();
		}
	}

	// 删除文件夹
	public void delFolder(String folderPath) {
		try {
			String filePath = folderPath;
			File delPath = new File(filePath);
			delPath.delete();
		} catch (Exception e) {
			System.out.println("删除文件夹操作出错");
			e.printStackTrace();
		}
	}

	// 新建文件
	public void createFile(String fileName) {
		try {
			File myFileName = new File(fileName);
			if (!myFileName.exists()) {
				myFileName.createNewFile();
			}
		} catch (Exception e) {
			System.out.println("新建文件操作出错");
			e.printStackTrace();
		}
	}

	// 删除文件
	public void delFile(String fileName) {
		try {
			File myFileName = new File(fileName);
			myFileName.delete();
		} catch (Exception e) {
			System.out.println("删除文件操作出错");
			e.printStackTrace();
		}
	}

原出处（有修改）：http://episode.iteye.com/blog/120243