Update one table from another which had a join

Update First Table Employee_id with 2nd Table Employee ID

SET TABLEOUTPUT ON
DECLARE
  CURSOR CUR1
  IS
    SELECT A.ID,
      A.EMPLOYEE_ID
    FROM TABLE2 A,
      WHERE A.EMPLOYEE_NAME= 'NEW';
COUNT_UP NUMBER;
BEGIN
  BEGIN
   COUNT_UP := 0;
    FOR CUR2 IN CUR1
    LOOP
      UPDATE TABLE1
      SET EMPLOYEE_ID = CUR2.EMPLOYEE_ID
      WHERE ID = CUR2.ID;
      COUNT_UP := COUNT_UP + 1;
    END LOOP;
  EXCEPTION
  WHEN OTHERS THEN
    NULL;
  END;
  DBMS_OUTPUT.PUT_LINE('Record Update : '||COUNT_UP);
END;