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  1. Prepare
  2. Java
  3. Strings
  4. Java String Reverse
  5. Discussions

Java String Reverse

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1867 Discussions

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  • maniapk04
     + 0 comments

    works fine

    import java.io.; import java.util.;

    public class Solution {

    public static String palindrome(String A){
    char[] char_array = A.toCharArray();
    int i = 0;
    int j = A.length()-1;
    while(i<j){
     if(char_array[i]!=char_array[j]){
         return "No";
     }
     i++;
     j--;
    }
    return "Yes";

    }



public static void main(String[] args) {
    Scanner scanner = new Scanner(System.in);
    String A = scanner.next();
    System.out.println(palindrome(A));

    } }

  • brunofragomeni
     + 0 comments

    Surelly not the best solution, but it was fun public static void main(String[] args) {

        Scanner sc=new Scanner(System.in);
    String A=sc.next();
    char[] chars = A.toCharArray();
    int correctLength = chars.length % 2 == 0 ? chars.length/2 : chars.length/2 + 1;
    char[] reverseChars = new char[correctLength];

    /* Enter your code here. Print output to STDOUT. */
    for(int i = 0; i < correctLength; i++) {
        reverseChars[i] = chars[chars.length - i - 1];
    }
    if(new String(reverseChars).equals(A.substring(0, correctLength))){
        System.out.println("Yes");
    } else {
        System.out.println("No");
    }
}

  • WilmerArevalo
     + 0 comments
    import java.io.*;
import java.util.*;

public class Solution {

    public static void main(String[] args) {
        
        Scanner sc=new Scanner(System.in);
        String A=sc.next();
        StringBuilder s = new StringBuilder(A);
        System.out.println(s.reverse().toString().equals(A) ? "Yes" : "No");
        
    }
}

  • nitinbhagatxyz
     + 0 comments

    Solution :-

    1. First you should convert the string to its reversed order.
    2. Then compare both the strings.
    3. If the result is true, print Yes esle print No.
    import java.io.*;
import java.util.*;

public class Solution {

    public static void main(String[] args) {
        
        Scanner sc=new Scanner(System.in);
        String A=sc.next();
        String s = "";
        /* Enter your code here. Print output to STDOUT. */
        for (int i = A.length() - 1; i >= 0; i--) {
            s += A.charAt(i);
        }
        if(A.equals(s)){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
    }
}

  • SebastronickL
     + 1 comment

    Solution

    import java.io.*;
import java.util.*;

public class Solution {

    public static void main(String[] args) {
        
        Scanner sc = new Scanner(System.in);
        String A = sc.next();
        String B = "";
        char tmp;
        for (int i=0; i < A.length(); i++){
            tmp = A.charAt(i);
            B = tmp + B;
        }
        if (A.compareTo(B) == 0)
            System.out.println("Yes");
        else
            System.out.println("No");
    }
}