我运行了一下,报的是超出范围。集合里连元素都没有,你删的话肯定报错啊
Exception in thread "main" java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
at java.util.LinkedList.entry(LinkedList.java:365)
at java.util.LinkedList.remove(LinkedList.java:357)
at day04.Demo1.main(Demo1.java:13)