java Java中将字符串转换为向量
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Convert a String to a Vector in Java
提问by nami
I have a function that has an output as a 4 character String like "1000". I need to convert this into a vector of dimension (4,1) in order to be able to make computation with matrices. Any idea or help? Thank you very much in advance.
我有一个函数，它的输出为 4 个字符的字符串，如“1000”。我需要将其转换为维度 (4,1) 的向量，以便能够使用矩阵进行计算。任何想法或帮助？非常感谢您提前。
回答by xlecoustillier
Try:
尝试：
Vector<Character> v = new Vector<Character>(Arrays.asList(yourString.toCharArray()))
As stated by fge, a List would be at least as useful as a Vector:
正如 fge 所说，List 至少和 Vector 一样有用：
List<Character> l = Arrays.asList(yourString.toCharArray())
回答by Matthew Herbst
String s = "1000";
Vector myVec = new Vector();
//Convert the string to a char array and then just add each char to the vector
char[] sChars = s.toCharArray();
for(int i = 0; i < s.length(); ++i) {
myVec.add(sChars[i]);
}
