问HN：Java和.NET开发者是否避免学习新技术？
我有一个朋友在一家大公司工作。他只懂 .NET。我问过他关于其他技术的事，但他似乎并不在意，因为他的薪水很高。另一个朋友在银行领域作为开发者工作，使用 Java 和 jQuery。我跟他说过 React.js 和现代前端工具，但他只懂 jQuery。
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I have a friend who works at a big company. He only knows .NET. I asked him about other technologies, but he doesn’t seem to care, he’s paid well.
Another friend works in the banking field as a developer using Java and jQuery. I told him about React.js and modern frontend tools, but he only knows jQuery