在Java编程中，处理和储存长文本是一项常见的任务。无论是处理文件内容、数据库中的长文本字段，还是用户输入的长字符串，都需要选择合适的变量类型来储存这些数据。本文将探讨在Java中储存长文本的最佳变量选择，以及如何在不同场景下使用这些变量。

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 ...

I've had this project work for me earlier and it still works for my colleges, but now when I try to open the app it crashes immediately on the getAccounts() part with this following stacktrace. Any ...

A Java string is a sequence of characters that exists as an object of the class java.lang. Java strings are created and manipulated through the string class. Once created, a string is immutable -- its ...

（String）是标准的类型转换，将Object类型转为String类型，使用(String)强转时，最好使用instanceof做一个类型检查，以判断是否可以进行强转，否则容易抛出ClassCastException异常。需要注意的是编写的时候，编译器并不会提示有语法错误，所以这个方法要谨慎的使用。

Even though Minecraft is one of the most popular sandbox games since its release, it’s still confusing to get started with. That’s because its developers maintain two similar but independent versions ...

In this little article, we will see how to get the string representation(tostring) of an object cautiously, that means avoiding NullPointerException. Getting the ...

If you are fortunate enough to be using JDK 7, the newly available Objects class is the obvious (at least to me) choice for implementing the “common” Java object ...