Refactor: Rename variables

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/ZipEntryPicker.java

@@ -137,18 +137,18 @@ public class ZipEntryPicker {
         subpathValueTxt.setText(entry.getFileName());
         if (entry.getFileSize() != -1L) {
             long fileSize = entry.getFileSize();
-            long KB = 1024L;
-            long MB = KB * KB;
-            long GB = MB * KB;
+            long kb = 1024L;
+            long mb = kb * kb;
+            long gb = mb * kb;
 
-            if (fileSize < KB) {
+            if (fileSize < kb) {
                 filesizeValue.setText("< 1 KB");
-            } else if (fileSize < MB) {
-                filesizeValue.setText(String.format("%s KB", fileSize / KB));
-            } else if (fileSize < GB) {
-                filesizeValue.setText(String.format("%s MB", fileSize / MB));
+            } else if (fileSize < mb) {
+                filesizeValue.setText(String.format("%s KB", fileSize / kb));
+            } else if (fileSize < gb) {
+                filesizeValue.setText(String.format("%s MB", fileSize / mb));
             } else {
-                double gigabytes = (double) fileSize / GB;
+                double gigabytes = (double) fileSize / gb;
                 filesizeValue.setText(String.format("%.2f GB", gigabytes));
             }
         } else {