Connection established!

src/main/java/com/application/Credentials.java

 package com.application;
 
 public class Credentials {
-    String projectId = "MY_PROJECT_ID";
+    String projectId = "sf-drying-optimization";
 }

src/main/java/com/application/DataBase/DB.java

 package com.application.DataBase;
 
+import com.application.Credentials;
+
 import com.google.auth.oauth2.GoogleCredentials;
 import com.google.auth.oauth2.ServiceAccountCredentials;
 import com.google.cloud.bigquery.BigQuery;
@@ -23,9 +25,11 @@ import java.util.List;
 
 public class DB {
 
+    Credentials credentialsObject;
+
     private static void insertSampleData() {
         // Step 1: Initialize BigQuery service
-        BigQuery bigquery = BigQueryOptions.newBuilder().setProjectId("sample-project-330313")
+        BigQuery bigquery = BigQueryOptions.newBuilder().setProjectId("sf-drying-optimization")
                 .build().getService();
 
         // Step 2: Create insertAll (streaming) request
@@ -97,9 +101,9 @@ public class DB {
         // Step 2: Prepare query job
         // A "QueryJob" is a type of job that executes SQL queries
         // we create a new job configuration from our SQL query and
-        final String GET_WORD_COUNT =
-                "SELECT word, word_count FROM `bigquery-public-data.samples.shakespeare` WHERE corpus='juliuscaesar' ORDER BY word_count DESC limit 10;";
-        QueryJobConfiguration queryConfig =
+        final String GET_WORD_COUNT = "SELECT VariantValue, TimeStamp FROM sf-drying-optimization.124.int_sd_winccsensordata WHERE TimeStamp BETWEEN \"2020-06-09\" AND \"2020-06-29\" ORDER BY TimeStamp";
+
+                        QueryJobConfiguration queryConfig =
                 QueryJobConfiguration.newBuilder(GET_WORD_COUNT).build();
 
         // Step 3: Run the job on BigQuery
@@ -120,14 +124,14 @@ public class DB {
         // Step 4: Display results
         // Print out a header line, and iterate through the
         // query results to print each result in a new line
-        System.out.println("word\tword_count");
+        System.out.println("Timestamp\tVarient value");
         TableResult result = queryJob.getQueryResults();
         for (FieldValueList row : result.iterateAll()) {
             // We can use the `get` method along with the column
             // name to get the corresponding row entry
-            String word = row.get("word").getStringValue();
-            int wordCount = row.get("word_count").getNumericValue().intValue();
-            System.out.printf("%s\t%d\n", word, wordCount);
+            int variantValue = row.get("VariantValue").getNumericValue().intValue();
+            String timeStamp = row.get("TimeStamp").getStringValue();
+            System.out.printf("%s\t%d\n", timeStamp, variantValue);
         }
     }