For example, with CharBuffer you can get the next char, get (int index) the char at a specific position, or get (char destination) a bunch of chars.

例如，有了CharBuffer，可以用get获得下一个字符，用get (int index)获得某个特定位置的字符，或者用get (char destination)获得一串字符。

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This int is an index into a table of system error messages, called sys_errlist (an array of strings), whose highest element has index sys_nerr - 1.

该整数是对系统错误消息表的索引，这个表名为sys_errlist(字符串数组)，其最高元素的索引为sys_nerr - 1。

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Add a method called get with return type as the template parameter t from the method (as shown in Figure 4), and an input parameter named index whose type is int.

添加一个名为get的方法。在此方法中，使其返回类型为模板参数t(如图4所示)，然后输入参数名字index，其类型为int。

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