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[[["Fácil de entender","easyToUnderstand","thumb-up"],["Meu problema foi resolvido","solvedMyProblem","thumb-up"],["Outro","otherUp","thumb-up"]],[["Difícil de entender","hardToUnderstand","thumb-down"],["Informações incorretas ou exemplo de código","incorrectInformationOrSampleCode","thumb-down"],["Não contém as informações/amostras de que eu preciso","missingTheInformationSamplesINeed","thumb-down"],["Problema na tradução","translationIssue","thumb-down"],["Outro","otherDown","thumb-down"]],[],[[["\u003cp\u003eThis page provides a Java code sample demonstrating how to read and print a row from Bigtable.\u003c/p\u003e\n"],["\u003cp\u003eThe code utilizes the Bigtable client library, which requires installation, as detailed in the provided link.\u003c/p\u003e\n"],["\u003cp\u003eProper authentication is essential, and the document directs users to set up Application Default Credentials for local development.\u003c/p\u003e\n"],["\u003cp\u003eThe provided code sample contains a method called \u003ccode\u003eprintRow\u003c/code\u003e, which iterates through all of the cells in a row, printing data from each of the column families.\u003c/p\u003e\n"]]],[],null,["Read and print a row.\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\n import com.google.cloud.bigtable.hbase.BigtableConfiguration;\n import java.io.IOException;\n import java.util.ArrayList;\n import java.util.List;\n import org.apache.hadoop.hbase.Cell;\n import org.apache.hadoop.hbase.TableName;\n import org.apache.hadoop.hbase.client.Connection;\n import org.apache.hadoop.hbase.client.Get;\n import org.apache.hadoop.hbase.client.Result;\n import org.apache.hadoop.hbase.client.ResultScanner;\n import org.apache.hadoop.hbase.client.Scan;\n import org.apache.hadoop.hbase.client.Table;\n import org.apache.hadoop.hbase.filter.CompareFilter.CompareOp;\n import org.apache.hadoop.hbase.filter.Filter;\n import org.apache.hadoop.hbase.filter.MultiRowRangeFilter;\n import org.apache.hadoop.hbase.filter.MultiRowRangeFilter.RowRange;\n import org.apache.hadoop.hbase.filter.RegexStringComparator;\n import org.apache.hadoop.hbase.filter.ValueFilter;\n import org.apache.hadoop.hbase.util.Bytes;\n\n public class Reads {\n\n // Write your code here.\n // ...\n\n private static void printRow(Result row) {\n System.out.printf(\"Reading data for %s%n\", Bytes.toString(row.rawCells()[0].getRowArray()));\n String colFamily = \"\";\n for (Cell cell : row.rawCells()) {\n String currentFamily = Bytes.toString(cell.getFamilyArray());\n if (!currentFamily.equals(colFamily)) {\n colFamily = currentFamily;\n System.out.printf(\"Column Family %s%n\", colFamily);\n }\n System.out.printf(\n \"\\t%s: %s @%s%n\",\n Bytes.toString(cell.getQualifierArray()),\n Bytes.toString(cell.getValueArray()),\n cell.getTimestamp());\n }\n System.out.println();\n }\n }\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)."]]
