Java allows the use of the finally block that allows you to execute the critical code. This block will always get executed whether the exception is handled or not. the finally block will always come after the try-and-catch block. Generally, the finally block is used for the code like cleanup like closing file, connection etc.
Example
import java.util.regex.*;
public class Simple{
public static void main(String args[]){
try{
int val=25/4;
System.out.println(val);
}
catch(NullPointerException e){System.out.println(e);}
finally{System.out.println("finally block");}
System.out.println("rest code");
}
}
Output
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