Question

write a java program to reverse a string

Answer 1

Answer:

import java.util.*;

class abc{

public static void main (String ar []){

Scanner sc=new Scanner(System.in);

String s =sc.nextLine();

for(int I=s.length()-1;I>=0;I--)

System.out.print(s.charAt(I));

}

}

• Run a reverse loop and print thr character at that position

Answer 2

$\textbf{\large Reversing a String in Java}$

     $\textsf{\textbf{Using the Library classes}}$

           $\texttt{StringBuilder sb = new StringBuilder("String-to-be-reversed");}\\\texttt{sb.reverse();}\\\texttt{System.out.println("Reversed String - " + sb.toString());}\begin{center} \textsf{\textbf{or,}} \end{center}$

           $\textsf{// A short method for convivence}\\\texttt{String reverse(String word) \{}\\\texttt{\hspace{1.5em} return new StringBuilder(word).reverse().toString();}\\\texttt{\}}$

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