Jakub H questions

Jakub H answers

• At what point in time is a message removed from a topic?
• Eclipse generating equals method: if ( obj == null ) vs. if ( null == obj )
• Execution of statements after try/catch block containing return
• Making a field `Final` in an Immutable class?
• JPA @Column to prevent empty values
• UnmodifiableMap (Java Collections) vs ImmutableMap (Google) [duplicate]
• What does the SSS represent in the org.apache.log4j.helpers.ISO8601DateFormat?
• Does Garbage Collector ignores Exception
• Two java List objects having same reference?