Java
Do spurious wakeups in Java actually happen?
java
concurrency
synchronization
thread-scheduler
Do I really have a car in my garage?
java
polymorphism
design-patterns
collections
Do I need to close() both FileReader and BufferedReader?
java
resource-management
try-with-resources
closeable-interface
Does the 'java' command compile Java programs?
java
bytecode
jit-compilation
runtime-optimizations
Does java.util.List.isEmpty() check if the list itself is null?
java
defensive-programming
utility-functions
null-checks
Does Java SE 8 have Pairs or Tuples?
java
streaming
functional-programming
java-8
Does Java have support for multiline strings?
java
prompt-engineering
best-practices
io-operations
Does Java have a "private protected" access modifier?
java
access-control
best-practices
java-8
Does Java have a path joining method?
java
path-engineering
best-practices
utility-method
Does application.yml support environment variables?
java
environment-variables
spring-configuration
configuration-management
Does a finally block run even if you throw a new Exception?
java
try-catch
finally-block
exception-handling
Disable HttpClient logging
java
logging
httpclient
configuration
Different types of thread-safe Sets in Java
java
concurrent-modifications
thread-safe-sets
java-8
Different results with Java's digest versus external utilities
java
file-system-behaviour
windows-platforms
hashing-results
Difference in System.exit(0), System.exit(-1), System.exit(1) in Java
java
exit-codes
system-exit
best-practices
Difference between @Valid and @Validated in Spring
java
validation
spring
best-practices
Difference between the annotations @GetMapping and @RequestMapping(method = RequestMethod.GET)
java
spring-annotations
best-practices
api-design
Difference between save and saveAndFlush in Spring data jpa
java
best-practices
transactional
database-operations
Difference between `Optional.orElse()` and `Optional.orElseGet()`
java
prompt-engineering
best-practices
performance
Difference between @Mock, @MockBean and Mockito.mock()
java
mockito
unit-testing
spring-testing
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