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class=\"markdown-body entry-content container-lg\" itemprop=\"text\"\u003e\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch1 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003ejava-docs-samples\u003c/h1\u003e\u003ca id=\"user-content-java-docs-samples\" class=\"anchor\" aria-label=\"Permalink: java-docs-samples\" href=\"#java-docs-samples\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003e\u003ca href=\"https://circleci.com/gh/GoogleCloudPlatform/java-docs-samples\" rel=\"nofollow\"\u003e\u003cimg src=\"https://camo.githubusercontent.com/78bf22238dad38b9b9027155ae5abb6e6eaae0454b8bb3d225b1f6bf8557f649/68747470733a2f2f636972636c6563692e636f6d2f67682f476f6f676c65436c6f7564506c6174666f726d2f6a6176612d646f63732d73616d706c65732e7376673f7374796c653d736869656c6426636972636c652d746f6b656e3d31313762343165616430333062323132666337643531393531396565393236326334663334383062\" alt=\"Circle-CI Build Status\" data-canonical-src=\"https://circleci.com/gh/GoogleCloudPlatform/java-docs-samples.svg?style=shield\u0026amp;circle-token=117b41ead030b212fc7d519519ee9262c4f3480b\" style=\"max-width: 100%;\"\u003e\u003c/a\u003e\n\u003ca href=\"https://ghit.me/repo/GoogleCloudPlatform/java-docs-samples\" rel=\"nofollow\"\u003e\u003cimg src=\"https://camo.githubusercontent.com/928a46840483a19b682f1f82cf4cf3e45d29075733f89489ceee83a43c91dc87/68747470733a2f2f676869742e6d652f62616467652e7376673f7265706f3d476f6f676c65436c6f7564506c6174666f726d2f6a6176612d646f63732d73616d706c6573\" alt=\"ghit.me\" data-canonical-src=\"https://ghit.me/badge.svg?repo=GoogleCloudPlatform/java-docs-samples\" style=\"max-width: 100%;\"\u003e\u003c/a\u003e\n\u003ca href=\"https://codecov.io/gh/GoogleCloudPlatform/java-docs-samples\" rel=\"nofollow\"\u003e\u003cimg src=\"https://camo.githubusercontent.com/c2974fbf7430ff63b4c4094608a219b9f9bf1268d3de29c915cb899d52e4332f/68747470733a2f2f636f6465636f762e696f2f67682f476f6f676c65436c6f7564506c6174666f726d2f6a6176612d646f63732d73616d706c65732f6272616e63682f6d61737465722f67726170682f62616467652e737667\" alt=\"Coverage Status\" data-canonical-src=\"https://codecov.io/gh/GoogleCloudPlatform/java-docs-samples/branch/master/graph/badge.svg\" style=\"max-width: 100%;\"\u003e\u003c/a\u003e\u003c/p\u003e\n\u003cp dir=\"auto\"\u003eThis is a repository that contains java code snippets on \u003ca href=\"https://cloud.google.com/docs/\" rel=\"nofollow\"\u003eCloud Platform Documentation\u003c/a\u003e.\u003c/p\u003e\n\u003cp dir=\"auto\"\u003eThe repo is organized as follows:\u003c/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\u003ca href=\"/shirigithub/java-docs-samples/blob/update-migration-sample/appengine\"\u003eApp Engine Standard\u003c/a\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\u003ca href=\"/shirigithub/java-docs-samples/blob/update-migration-sample/taskqueue\"\u003eTaskQueue\u003c/a\u003e \u003c/li\u003e\n\u003cli\u003e\u003ca href=\"/shirigithub/java-docs-samples/blob/update-migration-sample/unittests\"\u003eUnit Tests\u003c/a\u003e\u003c/li\u003e\n\u003c/ul\u003e\n\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"/shirigithub/java-docs-samples/blob/update-migration-sample/flexible\"\u003eApp Engine Flexible\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"/shirigithub/java-docs-samples/blob/update-migration-sample/compute\"\u003eCompute Engine\u003c/a\u003e\u003c/li\u003e\n\u003c/ul\u003e\n\u003cp dir=\"auto\"\u003eTechnology Samples:\u003c/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\u003ca href=\"/shirigithub/java-docs-samples/blob/update-migration-sample/bigquery\"\u003eBigquery\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"/shirigithub/java-docs-samples/blob/update-migration-sample/datastore\"\u003eDatastore\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"/shirigithub/java-docs-samples/blob/update-migration-sample/endpoints\"\u003eEndpoints\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"/shirigithub/java-docs-samples/blob/update-migration-sample/iap\"\u003eIdentity-Aware Proxy\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"/shirigithub/java-docs-samples/blob/update-migration-sample/kms\"\u003eKey Management Service\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"/shirigithub/java-docs-samples/blob/update-migration-sample/logging\"\u003eLogging\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"/shirigithub/java-docs-samples/blob/update-migration-sample/monitoring\"\u003eMonitoring\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"/shirigithub/java-docs-samples/blob/update-migration-sample/language\"\u003eNatural Language\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"/shirigithub/java-docs-samples/blob/update-migration-sample/pubsub\"\u003ePubSub\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"/shirigithub/java-docs-samples/blob/update-migration-sample/spanner\"\u003eCloud Spanner\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"/shirigithub/java-docs-samples/blob/update-migration-sample/speech\"\u003eSpeech\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"/shirigithub/java-docs-samples/blob/update-migration-sample/storage\"\u003eCloud Storage\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"/shirigithub/java-docs-samples/blob/update-migration-sample/translate\"\u003eTranslate\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"/shirigithub/java-docs-samples/blob/update-migration-sample/vision\"\u003eVision\u003c/a\u003e\u003c/li\u003e\n\u003c/ul\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch2 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003eCredentials Example\u003c/h2\u003e\u003ca id=\"user-content-credentials-example\" class=\"anchor\" aria-label=\"Permalink: Credentials Example\" href=\"#credentials-example\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThe documentation for \u003ca href=\"https://developers.google.com/identity/protocols/application-default-credentials\" rel=\"nofollow\"\u003eApplication Default Credentials\u003c/a\u003e.\u003c/p\u003e\n\u003cp dir=\"auto\"\u003e\u003ccode\u003eBigQuery bigquery = BigQueryOptions.getDefaultInstance().getService();\u003c/code\u003e\u003c/p\u003e\n\u003cp dir=\"auto\"\u003eThe client library looks for credentials using the following rules:\u003c/p\u003e\n\u003col dir=\"auto\"\u003e\n\u003cli\u003e\u003ccode\u003eGOOGLE_APPLICATION_CREDENTIALS\u003c/code\u003e environment variable, pointing to a service account key JSON file path.\u003c/li\u003e\n\u003cli\u003eCloud SDK credentials \u003ccode\u003egcloud auth application-default login\u003c/code\u003e\u003c/li\u003e\n\u003cli\u003eApp Engine standard environment credentials.\u003c/li\u003e\n\u003cli\u003eCompute Engine credentials.\u003c/li\u003e\n\u003c/ol\u003e\n\u003cp dir=\"auto\"\u003eYou can override this behavior using setCredentials in \u003ccode\u003eBigQueryOptions.newBuilder()\u003c/code\u003e by adding \u003ccode\u003esetCredentials(Credentials credentials)\u003c/code\u003e from \u003ca href=\"http://googlecloudplatform.github.io/google-cloud-java/0.12.0/apidocs/com/google/cloud/ServiceOptions.Builder.html#setCredentials-com.google.auth.Credentials-\" rel=\"nofollow\"\u003eServiceOptions.builder\u003c/a\u003e and \u003ca href=\"http://google.github.io/google-auth-library-java/releases/0.6.0/apidocs/com/google/auth/Credentials.html?is-external=true\" rel=\"nofollow\"\u003eCredentials\u003c/a\u003e.\u003c/p\u003e\n\u003c/article\u003e","errorMessage":null,"headerInfo":{"toc":[{"level":1,"text":"java-docs-samples","anchor":"java-docs-samples","htmlText":"java-docs-samples"},{"level":2,"text":"Credentials Example","anchor":"credentials-example","htmlText":"Credentials 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