/Java/Print string in reverse order using recursion java

Print string in reverse order using recursion java

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);
}

Source: stackoverflow.com

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;
    }
}

Source: stackoverflow.com

Print string in reverse order using recursion java

import java.util.*;
import javax.swing.*;
class recursion
{

static String recursive(String str)
{
return recursive(str);

}
public static void main(String str[])
{
String str1="vikas";
char ch[]=str1.toCharArray();
for(int i=ch.length-1;i>=0;i--)
{
String s2=String.valueOf(ch[i]);
System.out.print(s2);
}
}
}

Print string in reverse order using recursion java

import java.util.*;
class remove
{
public static void main(String str[])
{
String str1="viaks";
StringBuilder b= new StringBuilder();
b.append(str1);
b.delete(0,1);
System.out.println(b.toString());
}
}

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