Thursday 4 May 2017

What is checked exception?

The exception which is checked by the compiler at the time of compilation for smooth execution of the program is known as checked exception.
Example:
import java.io.*;
class Test{
public static void main(String[] args){
PrintWriter pw=new PrintWriter("abc.txt");
pw.println("SILAN TECHNOLOGY");
}
}
sometimes the compiler check some specific program for smooth execution at run time, so when we compile this program we will get following compile time error :

unreported exception java.lang.FileNotFoundException must be caught or declared to be thrown

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