Erro illegal start of type

String order = entry.nextLine();

		String[] ordernew = order.split(" ");

		ArrayList<String>list = new ArrayList<String>(Arrays.asList(ordernew));

		int size = list.size();

 
		@override
		if(size != 0)
		{



 exit status 1
 Main.java:98: error: illegal start of type
		if(size != 0)
		^
 Main.java:98: error: ';' expected
		if(size != 0)
		  ^
 Main.java:98: error: not a statement
		if(size != 0)
		        ^
 Main.java:98: error: ';' expected
		if(size != 0)
		            ^
 4 errors