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| class Solution {
public String solution(String s) {
String[] strArr = s.split(" ");
StringBuilder sb = new StringBuilder();
for (String val : strArr) {
String[] strArr2 = val.split("");
for (int i = 0; i < strArr2.length; i++) {
if (i%2 == 0) {
String str = strArr2[i];
str = str.toUpperCase();
sb.append(str);
} else {
String str = strArr2[i];
str = str.toLowerCase();
sb.append(str);
}
}
sb.append(" ");
}
return sb.toString().trim();
}
}
|