upload

src/main/java/hhn/temp/project/TaskManager.java

@@ -47,12 +47,12 @@ public class TaskManager {
 
       throw new IllegalArgumentException("Name is null!");
     }
-    if(name.isEmpty() || this.taskMap.values().stream().anyMatch(t -> t.getName().equals(name))) {
+    if(name.isEmpty() || this.taskMap.values().stream().noneMatch(t -> t.getName().equals(name))) {
       throw new IllegalArgumentException("Wrong name!");
     }
 
     this.taskMap.remove(this.taskMap.values().stream().filter(t -> t.getName().equals(name)).findFirst()
-            .orElseThrow(() -> new IllegalArgumentException("Cant find a Task")).getTaskID());
+            .orElseThrow().getTaskID());
 
   }
 }