Cracking the coding interview 150 要点记录(一)--Array and List
2014-06-05 13:20
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1.4题
(1)答案有错,str[newLength]有下标越界,解决办法为新建一个char[];
(2)应该把该方法返回值定为String,参数列表定为(String str),这样更为方便;
(3)如果把String str作为参数,则将str转换成char数组需要用到str.toCharArray()。这里String用到的方法就是[某个String].toCharArray,可以用该方法赋值于一个新的char数组;
(1)答案有错,str[newLength]有下标越界,解决办法为新建一个char[];
(2)应该把该方法返回值定为String,参数列表定为(String str),这样更为方便;
(3)如果把String str作为参数,则将str转换成char数组需要用到str.toCharArray()。这里String用到的方法就是[某个String].toCharArray,可以用该方法赋值于一个新的char数组;
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