java io学习(二十四) PrintWriter (字符打印输出流)2014-08-12PrintWriter 介绍PrintWriter 是字符类型的打印输出流,它继承于Writer。PrintStream 用于向文本输出流打印对象的格式化表示形式。它实现在 PrintStream 中的所有 print 方法。它不包含用于写入原始字节的方法,对于这些字节,程序应该使用未编码的字节流进行写入。PrintWriter 函数列表
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)PrintWriter(String fileName, String csn) PrintWriter append(char c)PrintWriter append(CharSequence csq, int start, int end)PrintWriter append(CharSequence csq)boolean checkError()void close()void flush()PrintWriter 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)void 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 println(String str)void println(char c)void println(double d)void println(boolean b)void write(char[] buf, int offset, int count)void write(int oneChar)void write(char[] buf)void write(String str, int offset, int count)void write(String str)