RFR: 8276048: Error in javadoc regarding Long method public static Long valueOf(String s)

[swati sharma]

8276048: Error in javadoc regarding Long method public static Long valueOf(String s)
Fix: Changing integer to {@code Long}

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Commit messages:
 - Update Long.java

Changes: https://git.openjdk.java.net/jdk/pull/6135/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=6135&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8276048
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/6135.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/6135/head:pull/6135

PR: https://git.openjdk.java.net/jdk/pull/6135