Andreas questions

Andreas answers

• Casting reference variable without the double parentheses
• Timezone of ZonedDateTime changed to UTC during auto conversion of RequestBody with Spring Boot
• Conflict of method call using Interface in Java
• Double to Int without lossy precision
• How to distinguish between int and long?
• Simplifying Conditional Operators
• Is synchronized block always needed with synchronized collections?
• Spring properties file set null to property
• Nested objects null checking
• Windows 10 CLI UTF-8 encoding