Should You Avoid Sun's Proprietary Java Classes?

Should Sun's Proprietary Java Classes Be Avoided?

When using Sun's proprietary Java classes, you may encounter compiler warnings. This raises concerns about the practice of relying on these classes. Beyond the warnings, are there fundamental reasons for avoiding their use?

Reasons to Avoid Sun's Proprietary Classes:

• Internal APIs: These classes are part of Sun's internal implementation and are not officially documented or supported.
• Undocumented Changes: They may undergo undocumented changes, breaking your code's behavior.
• Unsupported: Sun does not provide support for these classes, so you cannot rely on their stability or functionality.
• Portability Limitations: Their use ties your code to a specific Sun JRE/JDK, limiting its portability to other environments.

Recommendation:

It is generally advisable to avoid using Sun's proprietary classes. Instead, opt for classes that are publicly documented and supported. This ensures the reliability, portability, and future compatibility of your code.

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