look and feel identifier returned by FlatLaf.getID() now always starts with "FlatLaf"

CHANGELOG.md

@@ -5,6 +5,9 @@ FlatLaf Change Log
 
 - Support using IntelliJ platform themes (.theme.json files).
 - Support `JFileChooser`. (issue #5)
+- Look and feel identifier returned by `FlatLaf.getID()` now always starts with
+  "FlatLaf". Use `UIManager.getLookAndFeel().getID().startsWith( "FlatLaf" )` to
+  check whether the current look and feel is FlatLaf.
 - Fixed selection background of checkbox in table cell.
 - Fixed jittery submenu rendering on Mac. (issue #10)
 - JIDE Common Layer: Fixed `JidePopup` border.

flatlaf-core/src/main/java/com/formdev/flatlaf/FlatLaf.java

@@ -71,9 +71,17 @@ public abstract class FlatLaf
 		}
 	}
 
+	/**
+	 * Returns the look and feel identifier.
+	 * <p>
+	 * Syntax: "FlatLaf - ${theme-name}"
+	 * <p>
+	 * Use {@code UIManager.getLookAndFeel().getID().startsWith( "FlatLaf" )}
+	 * to check whether the current look and feel is FlatLaf.
+	 */
 	@Override
 	public String getID() {
-		return getName();
+		return "FlatLaf - " + getName();
 	}
 
 	public abstract boolean isDark();