The close() method of PrintWriter Class in Java is used to close the stream. Closing a stream deallocates any value in it or any resources associated with it. The PrintWriter instance once closed won’t work. Also a PrintWriter instance once closed cannot be closed again.
Syntax:
public void close()
Parameters: This method do not accepts any parameter.
Return Value: This method do not returns any value. It just closes the Stream.
Below methods illustrates the working of close() method:
Program 1:
// Java program to demonstrate // PrintWriter close() method import java.io.*;
class GFG {
public static void main(String[] args)
{
// The string to be written in the Writer
String str = "GeeksForGeeks" ;
try {
// Create a PrintWriter instance
PrintWriter writer
= new PrintWriter(System.out);
// Write the above string to this writer
// This will put the string in the stream
// till it is printed on the console
writer.write(str);
// Now close the stream
// using close() method
writer.close();
}
catch (Exception e) {
System.out.println(e);
}
}
} |
Output:
GeeksForGeeks
Program 2:
// Java program to demonstrate // PrintWriter close() method import java.io.*;
class GFG {
public static void main(String[] args)
{
try {
// Create a PrintWriter instance
PrintWriter writer
= new PrintWriter(System.out);
// Write the char to this writer
// This will put the char in the stream
// till it is printed on the console
writer.write( 65 );
// Now close the stream
// using close() method
writer.close();
}
catch (Exception e) {
System.out.println(e);
}
}
} |
Output:
A