Retrieved the next date and managed to add extra days to check for

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

@@ -6,8 +6,13 @@ import com.google.cloud.bigquery.*;
 
 import java.io.File;
 import java.io.FileInputStream;
+import java.sql.Timestamp;
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.time.temporal.TemporalAccessor;
 import java.util.*;
 
 /**
@@ -101,17 +106,15 @@ public class DB {
         // Initializing the data map to store the results
         Map<String, Number> data = new HashMap<>();
 
-        List<List<Number>> listOfLists = new ArrayList<List<Number>>();
-
         // Initializing the date format
-        DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
-        dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
+        DateTimeFormatter format = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
+        DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
 
         // Preparing a query statement
         final String sqlStatement = "SELECT TimeStamp, VariantValue " +
                 "FROM sf-drying-optimization.124.int_sd_winccsensordata " +
                 "WHERE TimeStamp BETWEEN \"2021-01-25 08:51:03\" " +
-                "AND \"2021-03-04 11:10:09\" ORDER BY TimeStamp";
+                "AND \"2021-03-08 11:10:09\" ORDER BY TimeStamp ASC";
 
         // Creates a job configuration
         queryJob = getJob(QueryJobConfiguration.newBuilder(sqlStatement).build());
@@ -121,19 +124,34 @@ public class DB {
         System.out.println("InTidTork \t UtTidTork");
         for (FieldValueList row : result.iterateAll()) {
 
+            // Kwh
+            int variantValue = row.get("VariantValue").getNumericValue().intValue();
+
             // Retrieving the wanted data
             long timeStamp = row.get("TimeStamp").getTimestampValue()/1000;
+            // Riktig format, men i string
             String formatedTimeStamp = dateFormat.format(timeStamp);
+            // Format the date to LocalDateTime datatype
+            LocalDateTime date = LocalDateTime.parse(formatedTimeStamp, format);
+            // Creates a future date to compare against
+            LocalDateTime dateFuture = date.plusDays(1);
 
-            int variantValue = row.get("VariantValue").getNumericValue().intValue();
+            //System.out.println(date);
 
-            System.out.println(timeStamp);
+            data.put(formatedTimeStamp, variantValue);
+        }
 
+        NavigableMap<String, Number> sortedData = new TreeMap<>(data);
 
-            data.put(formatedTimeStamp, variantValue);
+        for (Map.Entry<String, Number> entry : sortedData.entrySet()) {
+            String key = entry.getKey();
+            String next = sortedData.higherEntry(entry.getKey()).getKey(); // next
 
-            listOfLists.add(new ArrayList<Number>());
+            System.out.println("Nå: "+key);
+            System.out.println("Neste: "+next);
         }
+
+
             return data;
     }
 
@@ -153,6 +171,8 @@ public class DB {
         DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
         dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
 
+
+
         // Preparing a query statement
         final String sqlStatement =
                         "SELECT Name, CalculatedStart, CalculatedStop FROM `sf-drying-optimization.124.int_dk_valmaticsdryingbatches`" +
@@ -176,7 +196,10 @@ public class DB {
             String formattedCalculatedStart = dateFormat.format(calculatedStart);
             String formattedCalculatedStop = dateFormat.format(calculatedStop);
 
-            System.out.printf("%s\t\t\t%s\t\t\t%s\n",name, formattedCalculatedStart, formattedCalculatedStop);
+            java.sql.Timestamp timestamp = new Timestamp(calculatedStart);
+            System.out.println(timestamp);
+
+            //System.out.printf("%s\t\t\t%s\t\t\t%s\n",name, formattedCalculatedStart, formattedCalculatedStop);
 
         }
         //return data;

src/main/java/com/application/Main.java

 package com.application;
 
 import com.application.DB.DB;
-import javafx.application.Application;
 
+import javafx.application.Application;
 import javafx.scene.chart.LineChart;
-
 import javafx.scene.control.MenuBar;
 import javafx.scene.control.ToggleButton;
 import javafx.scene.control.ToggleGroup;
@@ -13,14 +12,10 @@ import javafx.scene.image.ImageView;
 import javafx.scene.layout.*;
 import javafx.scene.Scene;
 import javafx.stage.Stage;
-
-
 import javafx.scene.chart.CategoryAxis;
-
 import javafx.scene.chart.NumberAxis;
 import javafx.scene.chart.XYChart;
 
-
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.IOException;