public class ReverseString {
public static void main(String[] args) {
String s1 = "neelendra";
for(int i=s1.length()-1;i>=0;i--)
{
System.out.print(s1.charAt(i));
}
}
}//make a scanner object
Scanner input = new Scanner(System.in);
//take in an input string and store it inside a <String> variable
System.out.println("Enter the string: ");
String string = input.nextLine();
//convert string to character arraylist by first creating
//an array list for the characters in correct order
//and an array list for what we will use
//to store the characters in reverse order later in the code
ArrayList<Character> chars = new ArrayList<Character>();
ArrayList<Character> reversed = new ArrayList<Character>();
//put all the characters from string into chars arrayList
for (char c : string.toCharArray()) {
chars.add(c);
}
//get the size of the arraylist
Integer length = chars.size() - 1;
Integer x = 0;
//loop all the elements in the array chars into reversed arraylist in reverse order
while(x < chars.size()) {
reversed.add(chars.get(length));
length -= 1;
x += 1;
}String str = "Hello";
String reverse(String str){
StringBuilder sb = new StringBuilder();
sb.append(str);
sb.reverse();
return sb.toString();
}// Java program to ReverseString using StringBuilder
import java.lang.*;
import java.io.*;
import java.util.*;
// Class of ReverseString
class ReverseString
{
public static void main(String[] args)
{
String input = "Geeks for Geeks";
StringBuilder input1 = new StringBuilder();
// append a string into StringBuilder input1
input1.append(input);
// reverse StringBuilder input1
input1 = input1.reverse();
// print reversed String
System.out.println(input1);
}
}