1) Remove Deprecation Warnings on Import Statements
In java 8 java compilers issue deprecation warnings when >
- deprecated type is imported by name or
- deprecated method is imported statically,
- deprecated field is imported statically,
- deprecated nested type is imported statically.
These deprecated warnings will be removed in java 9 because they are not informative.
So, deprecation warnings on imports cannot be suppressed using the @SuppressWarnings annotation.
2) Where deprecation warnings will remain?
Deprecation warnings at actual uses of deprecated members will remain.
3) Advantage of removing Deprecation Warnings on Import Statements >
Projects having large code bases will be much clean after removal of these short deprecated warnings.
4) In more detail about Removing Deprecation Warnings on Import Statements >
Java compiler will issue deprecation warning when any of the following are overridden, invoked, or referenced by name >
- @Deprecated type,
- @Deprecated method,
- @Deprecated field, or
- @Deprecated constructor
Java compiler will NOT issue deprecation warning when any of the above are >
- Used in @Deprecated entity.
- Used in entity annotated with @SuppressWarnings("deprecation")
- The use and declaration are both within the same outermost class.
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