题解 | #字符串变形#
字符串变形
https://www.nowcoder.com/practice/c3120c1c1bc44ad986259c0cf0f0b80e
split()分割，注意limit=-1这个参数
import java.util.Scanner;
public class Trans {
public String trans(String s, int n) {
// write code here
String[] strs = s.split(" ");
StringBuilder stringBuilder = new StringBuilder();
for (int i = strs.length-1; i >= 0; i--) {
for (int j = 0; j < strs[i].length(); j++) {
if (strs[i].charAt(j)<97){
stringBuilder.append((char) (strs[i].charAt(j)+32));
}
if (strs[i].charAt(j)>=97){
stringBuilder.append((char)(strs[i].charAt(j)-32));
}
}
stringBuilder.append(" ");
}
String S = stringBuilder.charAt(stringBuilder.length()-1)==' '?stringBuilder.deleteCharAt(stringBuilder.length()-1).toString():stringBuilder.toString();
return S;
}
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