try catch finally code example

Example 1: try catch in javascript

try {
  // Try to run this code 
}
catch(err) {
  // if any error, Code throws the error
}
finally {
  // Always run this code regardless of error or not
  //this block is optional
}

Example 2: javascript try

var someNumber = 1;
try {
  someNumber.replace("-",""); //You can't replace a int
} catch(err) {
 console.log(err);
}

Example 3: try catch finally in javascript

try { // Try to run this code
  alert( 'try' ); 
  if (confirm('Make an error?')) BAD_CODE();
} catch (e) { // Code throws error
  alert( 'catch' );
} finally { // Always run this code regardless of error or not
  alert( 'finally' );
}

Example 4: java program for try catch finally

class JavaException {
 public static void main(String args[]) {
  int d = 0;
  int n = 20;
  try {
   int fraction = n / d;
   System.out.println("This line will not be Executed");
  } catch (ArithmeticException e) {
   System.out.println("In the catch Block due to Exception = " + e);
  }
  System.out.println("End Of Main");
 }
}

Example 5: finally always after try catch

Finally block is ALWAYS executed AFTER try / catch Javascript blocks.

Example 6: try catch haxe

import haxe.Exception;

class Main {
  static function main() {
    try {
      try {
        doSomething();
      } catch(e:Exception) {
        trace(e.stack);
        throw e; //rethrow
      }
    } catch(e:Exception) {
      trace(e.stack);
    }
  }

  static function doSomething() {
    throw new Exception('Terrible error');
  }
}