rzwitserloot questions

rzwitserloot answers

• Put in the map if key exists and value is not null, else throw exception
• Since when have enum constructors' default access modifier been private?
• How to set specific user to run processBuilder?
• tools.jar does not come with jdk installation
• Create a set from a double value from an split string in an array
• (Mac OS) JAVA version does not change
• Is it a good practice to call a method in my constructor? [duplicate]
• SequencedCollection interface in Java not following SOLID principles [duplicate]
• Why does b >>> 1 always equals -1 when b is a byte and has value -1 in Java?
• When are sealed classes and records used together in Java?