Java

How to free memory in Java?

garbage-collection

memory-management

performance-tuning

How to fix the "java.security.cert.CertificateException: No subject alternative names present" error?

certificate-exception

How to fix Hibernate LazyInitializationException: failed to lazily initialize a collection of roles, could not initialize proxy - no Session

How to find unused/dead code in java projects

How to Expand Folded Package Chain in IntelliJ IDEA?

package-management

project-structure

How to enter quotes in a Java string?

string-manipulation

string-formatting

regular-expressions

How to encrypt String in Java

security-best-practices

How to directly initialize a HashMap (in a literal way)?

map-initialization

How to determine an object's class?

How to de/serialize an immutable object without default constructor using ObjectMapper?

deserialization

How to debug stream().map(...) with lambda expressions?

How to deal with a slow SecureRandom generator?

performance-issues

security-best-practices

entropy-management

How to create a windows service from java app

service-wrapper

How to create a project from existing source in Eclipse and then find it?

file-management

eclipse-configuration

project-structure

How to create a file in a directory in Java?

exception-handling

file-operations

How to copy Java Collections list

How to convert ZonedDateTime to Date?

How to convert .pfx file to keystore with private key?

How to convert number to words in Java

number-to-words

decimal-handling

How to convert current date into string in Java?

date-formatting

explain.codes / Java