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 ...
TheServerSide

Java's default constructor tutorial

Java's default constructor allows developers to create instances of classes when no other constructors are explicitly defined. The default constructor in Java takes no arguments -- it simply ...
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 initialize class com.oracle.bmc.http.internal.RestClientFactory

Hello. I'm implementing oci-java-sdk-objectstorage in my project and when I try to initialize the client, it always returns this: "Could not initialize class ...
JournalofAccountancy

Get started with robotic process automation: Build your first bot

Robotic process automation, or RPA, can save organizations considerable time and money. Where appropriate, RPA can complete manual processes much faster and more accurately than a human. With many low ...
InfoQ

Java Gets a Boost with String Templates: Simplifying Code and Improving Security

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...
GitHub

java.lang.NoClassDefFoundError: Could not initialize class org.apache.calcite.jdbc.Driver

[2018-03-13 11:37:37,360] INFO Initializing writer using SQL dialect: PostgreSqlDialect (io.confluent.connect.jdbc.sink.JdbcSinkTask:52) [2018-03-13 11:37:37,361] INFO WorkerSinkTask{id=test-sink-0} ...