The flush() method of PrintWriter Class in Java is used to flush the stream. By flushing the stream, it means to clear the stream of any element that may be or maybe not inside the stream. It neither accepts any parameter nor returns any value.
Syntax:
public void flush()
Parameters: This method do not accepts any parameter.
Return Value: This method do not returns any value. It just flushes the Stream.
Below methods illustrates the working of flush() method:
Program 1:
import java.io.*;
class GFG {
public static void main(String[] args)
{
String str = "GeeksForGeeks";
try {
PrintWriter writer
= new PrintWriter(System.out);
writer.write(str);
writer.flush();
}
catch (Exception e) {
System.out.println(e);
}
}
}
Output:
GeeksForGeeks
Program 2:
import java.io.*;
class GFG {
public static void main(String[] args)
{
try {
PrintWriter writer
= new PrintWriter(System.out);
writer.write(65);
writer.flush();
}
catch (Exception e) {
System.out.println(e);
}
}
}
Output:
A
My Personal Notes
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