TheServerSide

Java Scanner char input example without nextChar

Community driven content discussing all aspects of software development from DevOps to design patterns. The Java Scanner class provides methods that take String input and convert that String into any ...
InfoWorld

What you need to know about Java wrapper classes

Have you ever wondered how Java seamlessly combines its primitive data types with object-oriented programming? Enter wrapper classes, an important but often overlooked Java feature. These special ...
InfoWorld

Class and object initialization in Java

Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...
TheServerSide

String to long in Java

Community driven content discussing all aspects of software development from DevOps to design patterns. The correct way to convert a String to long in Java is to use the parseLong(String x) method of ...
GitHub

Could not convert ‘java.util.ArrayList’ to ‘java.lang.String’ using ‘org.hibernate.type.descriptor.java.StringJavaType’

Issue occurs on Spring Boot 3.0.6 with core hibernate 6.4.3.Final and 6.1.7.Final. Issue is specifically a query checking if a string returned from a column is in a list supplied as a parameter: ...
GitHub

Data conversion error converting "JAVA_OBJECT, CHARACTER VARYING"

... in H2 1.4.197 we get a result where column X is of type JAVA_OBJECT. In H2 2.1.210, we get an error: Data conversion error converting "JAVA_OBJECT, CHARACTER ...