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Java InputStream close() Method with Example
InputStream Class close() method: Here, we are going to learn about the close() method of InputStream Class with its syntax and example.
Submitted by Preeti Jain, on April 03, 2020
InputStream Class close() method
- close() method is available in java.io package.
- close() method is used to close this InputStream and free all system resources linked with this stream.
- close() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.
- close() method may throw an exception at the time of closing the stream.
IOException: This exception may throw when getting any input/output error.
Syntax:
public void close();
Parameter(s):
- It does not accept any parameter.
Return value:
The return type of the method is void, it returns nothing.
Example:
// Java program to demonstrate the example
// of void close() method of InputStream
import java.io.*;
public class CloseOfIS {
public static void main(String[] args) throws Exception {
InputStream is_stm = null;
int val = 0;
try {
// Instantiates FileInputStream
is_stm = new FileInputStream("D:\\includehelp.txt");
// By using close() method is to close
// close the stream
is_stm.close();
// when we call read() method after
// closing the stream will result an exception
val = is_stm.read();
} catch (Exception ex) {
System.out.println("Stream Closed Before!!!!");
} finally {
// with the help of this block is to
// free all necessary resources linked
// with the stream
if (is_stm != null) {
is_stm.close();
}
}
}
}
Output
Stream Closed Before!!!!