Variables are the bread and butter of coding. Without variables, apps would have no interactivity and no way of manipulating information. Therefore, learning about variables in Java should be among ...

WARN io.netty.bootstrap.Bootstrap - Failed to set channel option 'SO_KEEPALIVE' with value 'false' for channel '[id: 0xf230c6ff]' java.lang.ClassCastException: class java.lang.String cannot be cast to ...