file_handling.java

import java.io.IOException;

public class file_handling {
    public static void main(String[] args) throws IOException {
        System.err.println("Error log trace");
        System.out.println("Output log trace");
        System.out.println("file_handling.main()");
        int i = System.in.read();
        System.out.println((char)(i));
    }
}