java reverse a string
// Library approach
public static String solution(String str) {
// StringBuilder is not thread-safe, use StringBuffer
return new StringBuffer(str).reverse().toString();
}
// DIY approach
public static String solution(String str) {
char[] chars = str.toCharArray();
for(int i = 0, j = str.length() - 1; i < j; i++, j--) {
char ch = chars[i];
chars[i] = chars[j];
chars[j] = ch;
}
return new String(chars);
}how to reverse a string
function reverseString(str) {
return str.split("").reverse().join("");
}
reverseString("hello");string reverse in java
String str = "Hello";
String reverse(String str){
StringBuilder sb = new StringBuilder();
sb.append(str);
sb.reverse();
return sb.toString();
}Copyright © 2021 Codeinu
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