class Solution {
public String solution(String my_string) {
String answer = "";
String split[] = my_string.split("");
String []split_tmp = new String[split.length];
for(int i=0 ; i<split.length; i++){
split_tmp[i] = split[split.length-i-1];
}
answer = String.join("", split_tmp);
return answer;
}
}
class Solution {
public String solution(String my_string) {
String answer = "";
for(int i=my_string.length()-1; i>=0; i--){
answer+=my_string.charAt(i);
}
return answer;
}
}
- StringBuilder의 reverse를 이용
import java.util.*;
class Solution {
public String solution(String my_string) {
StringBuilder sb = new StringBuilder();
sb.append(my_string);
sb.reverse();
return sb.toString();
}
}
import java.util.*;
class Solution {
public String solution(String my_string) {
return new StringBuilder(my_string).reverse().toString();
}
}