refactor: Making inner classes static

src/main/java/core/specialevents/SpecialEventsPredictionManager.java

@@ -27,7 +27,7 @@ public class SpecialEventsPredictionManager {
     private final HashMap<Integer, Player> playerInLineup = new HashMap<>();
     private final HashMap<Integer, Player> opponentPlayerInLineup = new HashMap<>();
 
-    public class Analyse {
+    public static class Analyse {
         private List<SpecialEventsPrediction> specialEventsPredictions;
         private Lineup lineup;
         private Lineup opponentLineup;

src/main/java/module/ifa/FlagLabel.java

@@ -73,7 +73,7 @@ protected void paintComponent(Graphics g) {
 		super.paintComponent(g);
 	}
 
-	private class TransparentFilter extends RGBImageFilter {
+	private static class TransparentFilter extends RGBImageFilter {
 		private int percent;
 
 		public TransparentFilter(int percent) {

src/main/java/module/ifa/IfaOverviewDialog.java

@@ -191,13 +191,13 @@ public Object getValueAt(int rowIndex, int columnIndex) {
 		}
 	}
 
-	private class Entry {
+	private static class Entry {
 		Country country;
 		WorldDetailLeague league;
 		double coolness;
 	}
 
-	private class CountryTableCellRenderer extends DefaultTableCellRenderer {
+	private static class CountryTableCellRenderer extends DefaultTableCellRenderer {
 
 		private static final long serialVersionUID = -5212837673330509051L;
 
@@ -213,7 +213,7 @@ public Component getTableCellRendererComponent(JTable table, Object value,
 		}
 	}
 
-	private class BooleanTableCellRenderer extends DefaultTableCellRenderer {
+	private static class BooleanTableCellRenderer extends DefaultTableCellRenderer {
 
 		private static final long serialVersionUID = -5648974651813645856L;
 

src/main/java/module/ifa/table/SummaryTableSorter.java

@@ -74,7 +74,7 @@ public Integer getIdentifier(int row) {
 		}
 	}
 
-	class TableCellValue {
+	static class TableCellValue {
 		public int row;
 		public int column;
 		public Object value;

src/main/java/module/lineup/penalties/PenaltyTakersView.java

@@ -656,7 +656,7 @@ public Component getTableCellRendererComponent(JTable table, Object value,
 		}
 	}
 
-	private class SkillRenderer extends DoubleRenderer {
+	private static class SkillRenderer extends DoubleRenderer {
 
 		@Serial
 		private static final long serialVersionUID = 3943598594307257068L;

src/main/java/module/lineup/substitution/SubstitutionOverview.java

@@ -510,7 +510,7 @@ public TableRow getRow(int rowIndex) {
 	/*
 	 * This class is a simple container for row data.
 	 */
-	private class TableRow {
+	private static class TableRow {
 
 		private Substitution sub;
 		private Problem problem;

src/main/java/module/lineup/substitution/WhenTextField.java

@@ -103,7 +103,7 @@ public String valueToString(Object obj) throws ParseException {
 
 	}
 
-	private class EditFormatter extends JFormattedTextField.AbstractFormatter {
+	private static class EditFormatter extends JFormattedTextField.AbstractFormatter {
 
 		private static final long serialVersionUID = 4814824765566252119L;
 		private DocumentFilter filter = new Filter();
@@ -123,7 +123,7 @@ protected DocumentFilter getDocumentFilter() {
 			return this.filter;
 		}
 
-		private class Filter extends DocumentFilter {
+		private static class Filter extends DocumentFilter {
 
 			@Override
 			public void replace(FilterBypass fb, int offset, int length, String text, AttributeSet attrs)

src/main/java/module/specialEvents/FilterPanel.java

@@ -527,7 +527,7 @@ public Component getListCellRendererComponent(JList list, Object value, int inde
 		}
 	}
 
-	private class PlayerCBItem extends CBItem {
+	private static class PlayerCBItem extends CBItem {
 
 		private int speciality = -1;
 

src/main/java/module/teamAnalyzer/ui/RecapTableSorter.java

@@ -17,7 +17,7 @@
 public class RecapTableSorter extends AbstractTableSorter {
     //~ Instance fields ----------------------------------------------------------------------------
 
-    protected final class NaturalNumericComparator implements
+    protected static final class NaturalNumericComparator implements
 			Comparator<String> {
 		@Override
 		public int compare(String o1, String o2) {

src/main/java/module/training/ui/TrainingPanel.java

@@ -292,7 +292,7 @@ public String getToolTipText(MouseEvent e) {
 	/**
 	 * JTable class for past and future trainings table
 	 */
-	private class TrainingTable extends JTable {
+	private static class TrainingTable extends JTable {
 
 		public TrainingTable(TableModel arg0) {
 			super(arg0);

src/main/java/module/tsforecast/Curve.java

@@ -55,7 +55,7 @@ class Curve {
 	private Point m_currentPoint = null;
 	private Color m_Color = null;
 
-	class Point implements Comparable<Point> {
+	static class Point implements Comparable<Point> {
 
 		double m_dSpirit;
 		int m_iAttitude;