- Updated build to use Go 1.18 since Go 1.16 is no longer supported.
- Use Java 11 in updated samples, and take advantage of new language features.
Signed-off-by: Mark S. Lewis <mark_lewis@uk.ibm.com>
Also minor implementation changes to TypeScript sample for better consistency between implementations.
Signed-off-by: Mark S. Lewis <mark_lewis@uk.ibm.com>