Veselin Davidov questions

Veselin Davidov answers

• Java Collections max NullPointerException
• What is the size of char[]?
• Invalid property 'fields[0]' of bean class
• Does spring use application.properties in unit test?
• Find number of elements in range from map object
• What's the preferred way to handle Spring Security for JMS Listeners?
• I need a clarification about "character to be escaped is missing" exception
• Java httpServer basic authentication for different request methods
• How to check if date exceeds more than seven days [duplicate]
• Check if list contains at least one of another - enums