/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
 
	public static Object open() throws IOException {
		throw new IOException();
	}
 
	public static void main (String[] args) throws java.lang.Exception
	{
 
		Object sChannel = null; 
		try {
			sChannel = Ideone.open();
		} catch (IOException ex) {
			ex.printStackTrace();
		}
		System.out.println(
			"I know nothing about coding" +
			"and trying to use sChannel here" +
			"without checking if it is not null" 
			+ sChannel.toString());
	}
}

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