reverse string using recursion java with explanation
public static String reverse(String str) {
if ((null == str) || (str.length() <= 1)) {
return str;
}
return reverse(str.substring(1)) + str.charAt(0);
}reverse string using recursion java with explanation
public static String reverse(String str) {
if ((null == str) || (str.length() <= 1)) {
return str;
}
return reverse(str.substring(1)) + str.charAt(0);
}Recursive reverse string
function reverse (str) {
if (str === "") {
return "";
} else {
return reverse(str.substr(1)) + str.charAt(0);
}
}reverse string with recursion
function reverse(string) {
// Base case
if (string.length < 2) return string;
// Recursive case
return reverse(string.slice(1, string.length)) + string[0];
}reverse string using recursion java with explanation
public class Test {
private static int i = 0;
public static void main(String args[]) {
reverse("Hello");
}
public static String reverse(String str) {
int localI = i++;
if ((null == str) || (str.length() <= 1)) {
return str;
}
System.out.println("Step " + localI + ": " + str.substring(1) + " / " + str.charAt(0));
String reversed = reverse(str.substring(1)) + str.charAt(0);
System.out.println("Step " + localI + " returns: " + reversed);
return reversed;
}
}Copyright © 2021 Codeinu
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