flush(): This method is available in the java.io.PrintWriter class of Java.
Syntax:
void java.io.PrintWriter.flush()
This method flushes the stream.
Parameters: NA
Returns: NA
Exceptions: NA
Approach
Java
import java.io.File;import java.io.FileNotFoundException;import java.io.PrintWriter;public class PrintWriterflush {public static void main(String[] args)throws FileNotFoundException {File file = new File("D:\\hello.txt");PrintWriter printWriter = new PrintWriter(file);printWriter.flush();System.out.println("Successfully flushed the print writer");printWriter.close();}}
Output:
Successfully flushed the print writer
Some other methods of PrintWriter
append(char): This method appends the specified character to this writer.
append(CharSequence): This method appends the specified character sequence to this writer.
append(CharSequence, int, int): This method appends a subsequence of the specified character sequence to this writer.
checkError(): This method flushes the stream if it's not closed and checks its error state.
close(): This method closes the stream and releases any system resources associated with it.
flush(): This method flushes the stream.
format(String, Object...): This method writes a formatted string to this writer using the specified format string and arguments.
format(Locale, String, Object...): This method writes a formatted string to this writer using the specified format string and arguments.
print(boolean): This method prints a boolean value.
printf(String, Object...): It is a convenient method to write a formatted string to this writer using the specified format string and arguments.
printf(Locale, String, Object...): It is a convenient method to write a formatted string to this writer using the specified format string and arguments.
println(): This method terminates the current line by writing the line separator string.
PrintWriter(File): This method creates a new PrintWriter, without automatic line flushing, with the specified file.
PrintWriter(Writer, boolean): This method creates a new PrintWriter.
PrintWriter(OutputStream, boolean, Charset): This method creates a new PrintWriter from an existing OutputStream.
PrintWriter(OutputStream): This method creates a new PrintWriter, without automatic line flushing, from an existing OutputStream.
PrintWriter(String): This method creates a new PrintWriter, without automatic line flushing, with the specified file name.
PrintWriter(Writer): This method creates a new PrintWriter, without automatic line flushing.
PrintWriter(File, Charset): This method creates a new PrintWriter, without automatic line flushing, with the specified file and charset.
PrintWriter(File, String): This method creates a new PrintWriter, without automatic line flushing, with the specified file and charset.
PrintWriter(OutputStream, boolean): This method creates a new PrintWriter from an existing OutputStream.
PrintWriter(String, Charset): This method creates a new PrintWriter, without automatic line flushing, with the specified file name and charset.
PrintWriter(String, String): This method creates a new PrintWriter, without automatic line flushing, with the specified file name and charset.
write(char[]): This method writes an array of characters.
write(int): This method writes a single character.
write(String): This method writes a string
write(char[], int, int): This method writes A Portion of an array of characters.
write(String, int, int): This method writes a portion of a string.
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