Use .isEmpty() instead of .size()==0 or .equals("")

Change-Id: If25d5f5809ad754e7609d8efc34ba6e6a4dea0b4
Signed-off-by: Carsten Hammer <carsten.hammer@t-online.de>
diff --git a/bundles/org.eclipse.e4.tools.compat/src/org/eclipse/e4/tools/compat/internal/WorkbenchLogger.java b/bundles/org.eclipse.e4.tools.compat/src/org/eclipse/e4/tools/compat/internal/WorkbenchLogger.java
index ebbc4e3..b3aa542 100644
--- a/bundles/org.eclipse.e4.tools.compat/src/org/eclipse/e4/tools/compat/internal/WorkbenchLogger.java
+++ b/bundles/org.eclipse.e4.tools.compat/src/org/eclipse/e4/tools/compat/internal/WorkbenchLogger.java
@@ -70,7 +70,7 @@
 			}
 		}
 
-		final FrameworkLogEntry[] children = childlist.size() == 0 ? null
+		final FrameworkLogEntry[] children = childlist.isEmpty() ? null
 			: childlist.toArray(new FrameworkLogEntry[childlist.size()]);
 
 		return new FrameworkLogEntry(status.getPlugin(), status.getSeverity(), status.getCode(),