"String.toCharArray()" because "val" is null
时间: 2023-09-16 10:14:43 浏览: 231
问题中提到了"String.toCharArray()",这是因为在引用\[2\]中的代码示例中,使用了一个字符串的方法"getBytes()",但是在该方法中,如果指定的字符集名称为null,就会抛出一个空指针异常。所以问题中的"val"实际上是指的字符集名称,而不是字符串本身。在这个上下文中,"val"是null,导致了空指针异常的抛出。
#### 引用[.reference_title]
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