Kevin questions

• Why didn't Java Type Erasure prevents this code from compiling
• Why is my companion object cannot access method in its companion class
• How to use multiple property-placeholder in a Spring xml file
• What happens if I mistakenly push a local branch to master
• Oracle SQL trigger for automatically set a column value
• SLF4J version mismatch and duplicated binding
• How to save null value in Guava Optional
• Guice: How to do late binding?
• Class doesn't contain matching constructor for autowiring
• PropertyUtils failed to convert boolean if the getter uses "is" rather than "get"

Kevin answers