Java - Syntax for Exception Handling

syntax to try,catch and finally block:-

try

   {

        set of exe sts;

        .

        .

        if(condition)

        throw new classname();//optional

        throw new classname("args");//optional

        .

   }

catch(childclassname oname)

   {

        .

   }

.

catch(baseclassname oname)

   {

        ………..

   }

finally

  {

        write statements;

  }