public class PrintStream extends FilterOutputStream implements Appendable Closeable

 protected OutputStream out:This is the output stream to be filtered. 

PrintStream(ファイルファイル):指定されたファイルで自動行フラッシュを行わずに、新しい印刷ストリームを作成します。 PrintStream(ファイル file String csn) :指定されたファイルと文字セットを使用して、自動行フラッシュを行わずに新しい印刷ストリームを作成します。 PrintStream(出力ストリーム出力):新しい印刷ストリームを作成します。 PrintStream(OutputStream out boolean autoFlush) :新しい印刷ストリームを作成します。 PrintStream(OutputStream out boolean autoFlush String エンコーディング): 新しい印刷ストリームを作成します。 PrintStream(文字列ファイル名) :指定されたファイル名で自動行フラッシュを行わずに新しい印刷ストリームを作成します。 PrintStream(String fileName String csn) :指定されたファイル名と文字セットを使用して、自動行フラッシュを行わずに新しい印刷ストリームを作成します。

PrintStream append(char c) : Appends the specified character to this output stream.

  Syntax :  public PrintStream append(char c)   Parameters:   c - The 16-bit character to append   Returns:   This output stream

PrintStream append(CharSequence csq int start int end): Appends the specified character sequence to this output stream.

  Syntax :  public PrintStream append(CharSequence csq int start int end)   Parameters:   csq - The character sequence from which a subsequence will be appended. start - The index of the first character in the subsequence end - The index of the character following the last character in the subsequence   Returns:   This output stream   Throws:   IndexOutOfBoundsException

PrintStream append(CharSequence csq) : Appends a subsequence of the specified character sequence to this output stream.

  Syntax :  public PrintStream append(CharSequence csq)   Parameters:   csq - The character sequence to append.   Returns:   This output stream 

ブール値 checkError(): Flushes the stream and checks its error state.

  Syntax :  public boolean checkError()   Returns:   true if and only if this stream has encountered an IOException other than InterruptedIOException or the setError method has been invoked

保護された void clearError() : Clears the internal error state of this stream.

  Syntax :  protected void clearError() 

void close() : Closes the stream.

  Syntax :  public void close()   Overrides:   close in class FilterOutputStream

ボイドフラッシュ(): Flushes the stream.

  Syntax :  public void flush()   Overrides:   flush in class FilterOutputStream

PrintStream 形式 (ロケール l 文字列形式 オブジェクト... 引数): Writes a formatted string to this output stream using the specified format string and arguments.

  Syntax :  public PrintStream format(Locale l String format Object... args)   Parameters:   l - The locale to apply during formatting. If l is null then no localization is applied. format - A format string as described in Format string syntax args - Arguments referenced by the format specifiers in the format string. The number of arguments is variable and may be zero.   Returns:   This output stream   Throws:   IllegalFormatException NullPointerException

PrintStream形式(文字列形式オブジェクト...引数): Writes a formatted string to this output stream using the specified format string and arguments.

  Syntax :  public PrintStream format(String format Object... args)   Parameters  : format - A format string as described in Format string syntax args - Arguments referenced by the format specifiers in the format string. The number of arguments is variable and may be zero.   Returns:   This output stream   Throws:   IllegalFormatException NullPointerException 

void print(ブール値 b): Prints a boolean value.

  Syntax :  public void print(boolean b)

void print(char c): Prints a character.

  Syntax :  public void print(char c)

void print(char[] s): Prints an array of characters.

  Syntax :  public void print(char[] s) 

void print(double d) : Prints a double-precision floating-point number.

  Syntax :  public void print(double b) 

void print(float f): Prints a floating-point number.

  Syntax :  public void print(float f)

void print(int i): Prints an integer.

  Syntax :  public void print(int i)

void print(long l): Prints a long integer.

  Syntax :  public void print(long l)

void print(Object obj) : Prints an object.

  Syntax :  public void print(Object obj)

void print(String s): Prints a string.

  Syntax :  public void print(String s)

import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.PrintStream; import java.util.Locale; //Java program to demonstrate PrintStream methods class Printstream {  public static void main(String args[]) throws FileNotFoundException  {  FileOutputStream fout=new FileOutputStream('file.txt');    //creating Printstream obj  PrintStream out=new PrintStream(fout);  String s='First';  //writing to file.txt  char c[]={'G''E''E''K'};    //illustrating print(boolean b) method  out.print(true);    //illustrating print(int i) method  out.print(1);    //illustrating print(float f) method  out.print(4.533f);    //illustrating print(String s) method  out.print('GeeksforGeeks');  out.println();    //illustrating print(Object Obj) method  out.print(fout);  out.println();    //illustrating append(CharSequence csq) method  out.append('Geek');  out.println();    //illustrating checkError() method  out.println(out.checkError());    //illustrating format() method  out.format(Locale.UK 'Welcome to my %s program' s);    //illustrating flush method  out.flush();    //illustrating close method  out.close();  } } 

true14.533GeeksforGeeks java.io.FileOutputStream@1540e19dGeek false Welcome to my First program