File | |||||
构造方法 | File(String pathname) | ||||
File(String parent, String child) | |||||
File(File parent, String child) | |||||
创建功能 | boolean createNewFile() | ||||
boolean mkdir() boolean mkdirs() | |||||
删除功能 | delete() | ||||
判断功能 | exists() isFile() isDirectory() isAbsolute() canRead() canWrite() isHidden( | ||||
获取功能 | String getAbsolutePath() String getPath() String getName() int length() long lastModified() | ||||
重要获取 | tatic File[] listRoots() String[] list() File[] listFiles() | list(FilenameFilter filter) listFiles(FileFilter filter) | |||
文件过滤器 | FilenameFilter(File一个构造参数) | ||||
FileWriter | BufferedWriter | FileOutputStream | BufferedOutputSteam | ||
构造方法 | FileWriter(File file) | FileOutputStream(File file) | |||
FileWriter(String fileName) | FileOutputStream(String name) | ||||
写入方法 | write(int c) | write(int c) | write(int b) | write(int b) | |
write(char[] cbuf, int off, int len) | write(char[] cbuf, int off, int len) | [url=#write(byte[], int, int)]write(byte[] b, int off, int len)[/url] | [url=#write(byte[], int, int)]write(byte[] b, int off, int len)[/url] | ||
write(char[] cbuf) | write(char[] cbuf) | write(byte[] b) | |||
write(String str) | |||||
write(String str, int off, int len) | write(String s, int off, int len) | ||||
newLine() | |||||
FileReader | BufferedReader | FileInputStream | BufferedInputSteam | ||
构造方法 | FileReader(File file) | FileInputStream(File file) | |||
FileReader(String fileName) | FileInputStream(String name) | ||||
读取方法 | read() | read() | read() | read() | |
int read(char[] cbuf, int off, int len) | int read(char[] cbuf, int off,int len) | int read(char[] cbuf, int off, int len) | int read(char[] cbuf, int off,int len) | ||
int read(char[] cbuf) (创建char[]数组) | int read(char[] cbuf) (创建char[]数组) | ||||
readLine() |
yinping 发表于 2015-5-18 21:56
看不懂,醉了
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