java之IO流总结及图解

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java之IO流总结及图解


IO流

                  |--字节流

                          |--字节输入流

                                   InputStream

                                            int read():一次读取一个字节

                                            int read(byte[] bys):一次读取一个字节数组

                                  

                                            |--FileInputStream

                                            |--BufferedInputStream

                          |--字节输出流

                                   OutputStream

                                            void write(int by):一次写一个字节

                                            void write(byte[] bys,int index,int len):一次写一个字节数组的一部分

                                           

                                            |--FileOutputStream

                                            |--BufferedOutputStream

                  |--字符流

                          |--字符输入流

                                   Reader

                                            int read():一次读取一个字符

                                            int read(char[] chs):一次读取一个字符数组

                                           

                                            |--InputStreamReader

                                                     |--FileReader

                                            |--BufferedReader

                                                     String readLine():一次读取一个字符串

                          |--字符输出流

                                   Writer

                                            void write(int ch):一次写一个字符

                                            void write(char[] chs,int index,int len):一次写一个字符数组的一部分

                                           

                                            |--OutputStreamWriter

                                                     |--FileWriter

                                            |--BufferedWriter

                                                     void newLine():写一个换行符       

                                                     void write(String line):一次写一个字符串





 

 

 

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