The java.util.PrintStream class adds functionality to another output stream, the ability to print representations of various data values conveniently.
类声明
以下是声明java.util.PrintStream class:
public class PrintStream
extends FilterOutputStream
implements Appendable, Closeable
字段域
Following are the fields for java.util.PrintStream class:
protected OutputStream out -- This is the output stream to be filtered.
类构造方法
| S.N. | 构造方法 & 详细描述 |
|---|---|
| 1 | PrintStream(File file) This creates a new print stream, without automatic line flushing, with the specified file. |
| 2 | PrintStream(File file, String csn) This creates a new print stream, without automatic line flushing, with the specified file and charset. |
| 3 | PrintStream(OutputStream out) This creates a new print stream. |
| 4 | PrintStream(OutputStream out, boolean autoFlush) This creates a new print stream. |
| 5 | PrintStream(OutputStream out, boolean autoFlush, String encoding) This creates a new print stream. |
| 6 | PrintStream(String fileName) This creates a new print stream, without automatic line flushing, with the specified file name. |
| 7 | PrintStream(String fileName, String csn) This creates a new print stream, without automatic line flushing, with the specified file name and charset. |
类方法
| S.N. | 方法 & 描述 |
|---|---|
| 1 | PrintStream append(char c) This method appends the specified character to this output stream. |
| 2 | PrintStream append(CharSequence csq) This method appends the specified character sequence to this output stream. |
| 3 | PrintStream append(CharSequence csq, int start, int end) This method appends a subsequence of the specified character sequence to this output stream. |
| 4 | boolean checkError() This method flushes the stream and checks its error state. |
| 5 | protected void clearError() This method clears the internal error state of this stream. |
| 6 | void close() This method closes the stream. |
| 7 | void flush() This method flushes the stream. |
| 8 | PrintStream format(Locale l, String format, Object... args) This method writes a formatted string to this output stream using the specified format string and arguments. |
| 9 | PrintStream format(String format, Object... args) This method writes a formatted string to this output stream using the specified format string and arguments. |
| 10 | void print(boolean b) This method prints a boolean value. |
| 11 | void print(char c) This method prints a character. |
| 12 | void print(char[] s) This method prints an array of characters. |
| 13 | void print(double d) This method prints a double-precision floating-point number.. |
| 14 | void print(float f) This method prints a floating-point number. |
| 15 | void print(int i) This method prints an integer. |
| 16 | void print(long l) This method prints a long integer. |
| 17 | void print(Object obj) This method prints an object. |
| 18 | void print(String s) This method Prints a string. |
| 19 | PrintStream printf(Locale l, String format, Object... args) This is a convenience method to write a formatted string to this output stream using the specified format string and arguments. |
| 20 | PrintStream printf(String format, Object... args) This is a convenience method to write a formatted string to this output stream using the specified format string and arguments. |
| 21 | void println() This method terminates the current line by writing the line separator string. |
| 22 | void println(boolean x) This method prints a boolean and then terminate the line. |
| 23 | void println(char x) This method prints a character and then terminate the line. |
| 24 | void println(char[] x) This method prints an array of characters and then terminate the line. |
| 25 | void println(double x) This method prints a double and then terminate the line.. |
| 26 | void println(float x) This method Prints a float and then terminate the line. |
| 27 | void println(int x) This method prints an integer and then terminate the line. |
| 28 | void println(long x) This method prints a long and then terminate the line. |
| 29 | void println(Object x) This method prints an Object and then terminate the line. |
| 30 | void println(String x) This method prints a String and then terminate the line. |
| 31 | protected void setError() This method sets the error state of the stream to true. |
| 32 | void write(byte[] buf, int off, int len) This method writes len bytes from the specified byte array starting at offset off to this stream. |
| 33 | void write(int b) This method writes the specified byte to this stream. |
方法继承
此类从以下类继承了上面列出的方法
java.util.FilterOutputStream
java.util.Object
