InfoQ

Are You Missing a Data Frame? The Power of Data Frames in Java

Vladimir Zakharov explains how DataFrames serve as a vital tool for data-oriented programming in the Java ecosystem. By ...
TheServerSide

Java Scanner String input example

Community driven content discussing all aspects of software development from DevOps to design patterns. Notice how the output includes only the first String the Java Scanner read. The rest of the text ...
InfoWorld

String comparisons in Java

Java’s String class encapsulates an array of bytes. A byte can be converted to a char, in which case, String becomes an array of characters used to compose words, sentences, or any other data you want ...
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

dubbo cannot transfer Integer value to String value int the PojoUtils by gerneric

I have a gateway to receive the outside http request ,in the gateway, I receive the Map req ,one of the value in the map is Integer the gateway invoke provider by the generic invoke,but the provide ...
GitHub

Vivo配置推送不成功，com.vivo.push.app_id expected Integer but value was a java.lang.String

按照教程配置的Vivo推送，也对照了Vivo官网上的教程，不能把app_id cast成int是什么原因？ W/Bundle (30480): Key com.vivo.push.app_id expected Integer but value was a java.lang.String. The default value 0 was returned. W/Bundle ...