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[[breaking_70_java_changes]]
=== Java API changes

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==== `isShardsAcked` deprecated in `6.2` has been removed

`isShardsAcked` has been replaced by `isShardsAcknowledged` in
`CreateIndexResponse`, `RolloverResponse` and
`CreateIndexClusterStateUpdateResponse`.

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==== `prepareExecute` removed from the client api

The `prepareExecute` method which created a request builder has been
removed from the client api. Instead, construct a builder for the
appropriate request directly.

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==== Some Aggregation classes have moved packages

* All classes present in `org.elasticsearch.search.aggregations.metrics.*` packages
were moved to a single `org.elasticsearch.search.aggregations.metrics` package.

* All classes present in `org.elasticsearch.search.aggregations.pipeline.*` packages
were moved to a single `org.elasticsearch.search.aggregations.pipeline` package.  In
addition, `org.elasticsearch.search.aggregations.pipeline.PipelineAggregationBuilders`
was moved to `org.elasticsearch.search.aggregations.PipelineAggregationBuilders`


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==== `Retry.withBackoff` methods with `Settings` removed

The variants of `Retry.withBackoff` that included `Settings` have been removed
because `Settings` is no longer needed.