Java
How to use Java for various projects.
Practical answers for building with Java and Spring.
- How do I disable Redis in Spring Boot? — Exclude Redis auto-configuration when you don’t need it. → Read more
- How do I generate a test phone number? — Create realistic phone numbers for test fixtures with Google Phone Utils. → Read more
- How do I use JPA for IN queries? — Query a database table with an IN statement in JPA. → Read more
- How do I read a file into a String? — Load classpath and filesystem resources using Apache Commons IO. → Read more
- How do I handle rounding in Java? — BigDecimal, Math.round, and precision control for number handling. → Read more
- How do I use simple string templates? — String formatting and template options beyond concatenation using Apache Commons Lang. → Read more
- How do I autowire beans in Spring? — Constructor injection, qualifier resolution, and common pitfalls. → Read more
- How do I use certificates with a Java keystore? — Import, manage, and reference SSL certificates in JVM keystores. → Read more