Download Java.io.FileInputStream.close() Method Example

JAVA.IO.FILEINPUTSTREAM.CLOSE METHOD
http://www.tutorialspoint.com/java/io/fileinputstream_close.htm
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Description
The java.io.FileInputStream.close closes this file input stream and releases any system
resources associated with the stream.
Declaration
Following is the declaration for java.io.FileInputStream.close method:
public void close()
Parameters
NA
Return Value
The methods does not return any value.
Exception
IOException -- If any I/O error occurs.
Example
The following example shows the usage of java.io.FileInputStream.close method.
package com.tutorialspoint;
import java.io.IOException;
import java.io.FileInputStream;
public class FileInputStreamDemo {
public static void main(String[] args) throws IOException {
FileInputStream fis = null;
int i=0;
char c;
try{
// create new file input stream
fis = new FileInputStream("C://test.txt");
// read byte from file input stream
i=fis.read();
// convert integer from character
c = (char)i;
// print character
System.out.println(c);
// close file input stream
fis.close();
System.out.println("Close() invoked");
// tries to read byte from close file input stream
i=fis.read();
c=(char)i;
System.out.println(c);
}catch(Exception ex){
// if an I/O error occurs
System.out.println("IOException: close called before read()");
}finally{
// releases all system resources from the streams
if(fis!=null)
{
fis.close();
}
}
}
}
Assuming we have a text file c:/test.txt, which has the following content. This file will be used as
an input for our example program:
ABCDEF
Let us compile and run the above program, this will produce the following result:
A
IOException: close called before read()
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