1.CSDN.NET - the world's largest Chinese IT community
As the most professional industry information channel in the field of domestic software development, to provide the development industry, the software industry, the mobile industry, the cloud computing industry, the authority of the report, for the industry, product managers, developers, the industry CTO, etc.
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2. IBM developerWorks : Java development : Learn : The world's largest and most visited enterprise development community
This is the official development program. Here you can access and download trial versions of software, find a wealth of IT technical resources, and even interact with professional IT practitioners.
3. ImportNew: is a blog that focuses on Java & Android technology sharing, providing valuable content for Java and Android developers. Including: Android development and newsletter, Java Web development and other Java technology-related sharing.
4. SegmentFault : Focused on programmer developer community platform is China's leading developer technology community.