Class com.google.common.base.Optional

Added Methods
Optional fromJavaUtil(Optional)	Returns the equivalent {@code com.google.common.base.Optional} value to the given {@code java.util.Optional}, or {@code null} if the argument is null.
Optional toJavaUtil(Optional)	Returns the equivalent {@code java.util.Optional} value to the given {@code com.google.common.base.Optional}, or {@code null} if the argument is null.
Optional<T> toJavaUtil()	Returns the equivalent {@code java.util.Optional} value to this optional.

 

Changed Methods
boolean equals(Object)	Change in signature from java.lang.Object to Object.	Returns {@code true} if {@code object} is an {@code Optional} instance, and either the contained references are Object#equals equal to each other or both are absent.