Finally block and Its Usage

What is finally block ?

finally block is either written after catch block or try block.finally blocks always executes when try block exits.Even if unexpected exception occurs in try block ,finally block is executed.It must be immediately followed by try or catch block.

Example:

/**  
  * @author Dixit  
  *   
  */  
 public class FinallyTest {  
      public static void main(String a[]) {  
           try {  
                System.out.println("Try block");  
           } catch (Exception e) {  
                System.out.println("catch block.");  
           } finally {  
                System.out.println("finally block.");  
           }  
      }  
 }  

Output  
 Try block  
 finally block.

Usage of finally block

finally block is mostly used to execute important code like closing db connection,closing file resources etc.

Also read Important finally interview questions

Enjoy Learning :)