at java.util.ArrayList.rangeCheck(ArrayList.java:659) at java.util.ArrayList.set(ArrayList.java:450)
时间: 2024-04-28 13:25:03 浏览: 275
关于java的ArrayList的小例子
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在你提供的内容中,错误提示的代码段位于ArrayList的set方法中,具体在ArrayList.java文件的第659行和第450行发生了异常。异常的类型是IndexOutOfBoundsException,这是由于在一个空的ArrayList中尝试访问索引0导致的。
为了解决这个问题,你需要检查代码中是否正确初始化了ArrayList,或者在访问ArrayList之前添加一个空值检查。确保ArrayList不是空的并且已经包含了足够的元素,以供你访问和修改。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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