Mureinik questions

Mureinik answers

• Which java data structures have a deterministic order of iteration?
• Group Multiple Rows Into Single Row
• Create Class Definition from String
• How to concatenate records based on a GROUP BY? [duplicate]
• Convert List of Array into single Array
• What's a suitable implementation of equals() for a class with no fields?
• Java ArrayList<String[]>
• Oracle trigger to update a column value in the same table
• Should all classes have a .equals and .hashcode method?
• Why need for using JDBC write Class.forName(...) for each connection?