Java PrintWriter class
Java PrintWriter class is the implementation of Writer class. It is used to print the formatted representation of objects to the text-output stream.
Class declaration
Let's see the declaration for Java.io.PrintWriter class:
Methods of PrintWriter class
Method |
Description |
void println(boolean x) |
It is used to print the boolean value. |
void println(char[] x) |
It is used to print an array of characters. |
void println(int x) |
It is used to print an integer. |
PrintWriter append(char c) |
It is used to append the specified character to the writer. |
PrintWriter append(CharSequence ch) |
It is used to append the specified character sequence to the writer. |
PrintWriter append(CharSequence ch, int start, int end) |
It is used to append a subsequence of specified character to the writer. |
boolean checkError() |
It is used to flushes the stream and check its error state. |
protected void setError() |
It is used to indicate that an error occurs. |
protected void clearError() |
It is used to clear the error state of a stream. |
PrintWriter format(String format, Object... args) |
It is used to write a formatted string to the writer using specified arguments and format string. |
void print(Object obj) |
It is used to print an object. |
void flush() |
It is used to flushes the stream. |
void close() |
It is used to close the stream. |
Java PrintWriter Example
Let's see the simple example of writing the data on a console and in a text file testout.txt using Java PrintWriter class.
Outpt
Javatpoint provides tutorials of all technology.
The content of a text file testout.txt is set with the data Like Java, Spring, Hibernate, Android, PHP etc.
|