Veselin Davidov questions

Veselin Davidov answers

• Exceptions or null in java
• How to zip files and folders in Java?
• Binary Tree Recursive InOrder method confusion
• Convert ArrayList<String> to byte[]
• 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[]?