Sander Smith questions

• Allocating a Java heap for Tomcat on an EC2 instance
• Discovering IoT Devices on the network
• Web3j: How to get Ethereum transaction information (Java not JS)
• Finding AWS ElastiCache endpoints with Java
• Wrapping Label text in a VBox using FXML
• JavaFX Application - What needs to be signed?
• Getting the address of a DNS server programmatically in Java
• Difference between a "Connection Refused" exception and a timeout in HttpClient
• API to retrieve info about famous people [closed]

Sander Smith answers