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Writer close() method in Java with Examples

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The close() method of Writer Class in Java is used to close the writer. Closing a writer deallocates any value in it or any resources associated with it. The Writer instance once closed won’t work. Also a Writer 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
// Writer close() method
  
import java.io.*;
  
class GFG {
    public static void main(String[] args)
    {
  
        // The string to be written in the Stream
        String str = "GeeksForGeeks";
  
        try {
  
            // Create a Writer instance
            Writer writer
                = new PrintWriter(System.out);
  
            // Write the above string to this writer
            // This will put the string in the writer
            // till it is printed on the console
            writer.write(str);
  
            // Now close the writer
            // using close() method
            writer.close();
        }
        catch (Exception e) {
            System.out.println(e);
        }
    }
}

                    
Output:
GeeksForGeeks
Program 2:
// Java program to demonstrate
// Writer close() method
  
import java.io.*;
  
class GFG {
    public static void main(String[] args)
    {
  
        try {
  
            // Create a Writer instance
            Writer writer
                = new PrintWriter(System.out);
  
            // Write the char to this writer
            // This will put the char in the writer
            // till it is printed on the console
            writer.write(65);
  
            // Now close the writer
            // using close() method
            writer.close();
        }
        catch (Exception e) {
            System.out.println(e);
        }
    }
}

                    
Output:
A


Last Updated : 29 Jan, 2019
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