Smit questions

Smit answers

• Sum of all digits for a given Positive Number [closed]
• replaceAll "/" with File.separator
• Java Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException [duplicate]
• Adding margins in a JTextArea?
• set the table cell width in iText java pdf
• How to get properly current date and time in Joda-Time?
• Inserting null to an Integer column using JDBC