Veselin Davidov questions

Veselin Davidov answers

• Share an object (blockchain) on a network
• how to prevent division by zero without handling exception java
• Get exit code of a command
• OffsetDateTime.toString() removes seconds and nanoseconds when they are 0
• 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?