Java IO Learning (24) printwriter (character print output stream)

PrintWriter Introduction

PrintWriter is a print output stream of character types that inherits from writer.

PrintStream is used to print the formatted representation of an object to the text output stream. It implements all the print methods in the PrintStream. It does not contain methods for writing raw bytes, which should be written with an encoded stream of bytes.

PrintWriter Function List

PrintWriter (OutputStream out) PrintWriter (OutputStream out, Boolean AutoFlush) PrintWriter (Writer wr) PrintWriter ( Writer wr, Boolean AutoFlush) printwriter (file file) printwriter (file file, string CSN) PrintWriter (string fileName) Print Writer (String fileName, string CSN) PrintWriter append (char c) printwriter append (charsequence csq, int star T, int end) PrintWriter append (Charsequence csq) boolean checkerror () void close () void flush () printwrite R Format (Locale L, string format, Object ... args) printwriter format (string format, Object ... args) void print (float fnum) void print (double dnum) void print (String str) void print (Object obj) void print (char ch) voi     D print (char[] chararray) void print (long lnum) void print (int inum) void print (Boolean bool) PrintWriter printf (Locale L, String format, Object ... args) printwriter printf (string format, Object ... args) void println () void println (float f) VOID println (int i) void println (long L) void println (Object obj) void println (char[] chars) void Printl N (String str) void println (char c) void println (double D) void println (Boolean b) void Write (char[) buf, I NT offset, int count) void write (int onechar) void write (char[] buf) void write (String str, int offset, int co unt) void write (String str)