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程式碼範例
Java
如要瞭解如何安裝及使用 Bigtable 的用戶端程式庫,請參閱這篇文章。
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[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],[],[[["\u003cp\u003eThis document provides a code sample in Java demonstrating how to retrieve data from Bigtable using a specific row key.\u003c/p\u003e\n"],["\u003cp\u003eThe code uses the HBase API for Java to perform a \u003ccode\u003eget\u003c/code\u003e operation on a table.\u003c/p\u003e\n"],["\u003cp\u003eThe document references external resources for setting up Bigtable client libraries and authentication.\u003c/p\u003e\n"],["\u003cp\u003eThe provided example shows how to fetch a single greeting from the table by row key.\u003c/p\u003e\n"],["\u003cp\u003eThere is a mention of the google cloud sample browser where users may find other useful examples.\u003c/p\u003e\n"]]],[],null,["Read using a noncontiguous set of row keys.\n\nExplore further\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [HBase APIs for Java hello world](/bigtable/docs/samples-hbase-java-hello)\n\nCode sample \n\nJava\n\n\nTo learn how to install and use the client library for Bigtable, see\n[Bigtable client libraries](/bigtable/docs/reference/libraries).\n\n\nTo authenticate to Bigtable, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n // Get the first greeting by row key\n String rowKey = \"greeting0\";\n Result getResult = table.get(new Get(Bytes.toBytes(rowKey)));\n String greeting = Bytes.toString(getResult.getValue(COLUMN_FAMILY_NAME, COLUMN_NAME));\n System.out.println(\"Get a single greeting by row key\");\n System.out.printf(\"\\t%s = %s\\n\", rowKey, greeting);\n\nWhat's next\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=bigtable)."]]