[ZEPPELIN-6246] Replace deprecated Character constructor#4979
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### What is this PR for? In the following file [zeppelin/file/src/main/java/org/apache/zeppelin/file/HDFSFileInterpreter.java](https://github.com/apache/zeppelin/blob/91f091e287b94295ec7f10254b4f4ac800209899/file/src/main/java/org/apache/zeppelin/file/HDFSFileInterpreter.java#L180) The Character constructor is deprecated in Java 9 and later, recommending the use of the static factory method Character.valueOf() instead. This change's objective is to update the code to use the modern recommended approach. As-is ``` if (args.flags.contains(new Character('l'))) { ``` To-be ``` if (args.flags.contains(Character.valueOf('l'))) { ``` Also, Changed single word's type from **""** -> **''** ### What type of PR is it? Refactoring ### Todos * [ ] - Replace deprecated Character constructor * [ ] - Change single word's data type ### What is the Jira issue? * Open an issue on [Jira](https://issues.apache.org/jira/browse/ZEPPELIN-6246) ### How should this be tested? * Strongly recommended: add automated unit tests for any new or changed behavior * Outline any manual steps to test the PR here. ### Screenshots (if appropriate) ### Questions: * Does the license files need to update? - No * Is there breaking changes for older versions? - No * Does this needs documentation? - No Closes #4979 from hyunw9/ZEPPELIN-6246. Signed-off-by: Philipp Dallig <philipp.dallig@gmail.com>
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Merged into master and branch-0.12 |
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What is this PR for?
In the following file zeppelin/file/src/main/java/org/apache/zeppelin/file/HDFSFileInterpreter.java
The Character constructor is deprecated in Java 9 and later, recommending the use of the static factory method Character.valueOf() instead.
This change's objective is to update the code to use the modern recommended approach.
As-is
To-be
Also, Changed single word's type from "" -> ''
What type of PR is it?
Refactoring
Todos
What is the Jira issue?
How should this be tested?
Screenshots (if appropriate)
Questions: