string reverse in java
String str = "Hello";
String reverse(String str){
StringBuilder sb = new StringBuilder();
sb.append(str);
sb.reverse();
return sb.toString();
}string reverse in java
String str = "Hello";
String reverse(String str){
StringBuilder sb = new StringBuilder();
sb.append(str);
sb.reverse();
return sb.toString();
}Reverse a string in java without using reverse function
// Reverse a string in java without using reverse function
import java.util.Scanner;
public class ReverseWithoutFunction
{
public static void main(String[] args)
{
Scanner sc = new Scanner(System.in);
System.out.println("Please enter a string: ");
String strInput = sc.nextLine();
int len = strInput.length();
String strReverse = "";
System.out.println("Reverse a string without using reverse function: ");
for(int a = len - 1; a >= 0; a--)
{
strReverse = strReverse + strInput.charAt(a);
}
System.out.println(strReverse);
sc.close();
}
}reverse a string in java
public class Main {
public static void main(String[] args) {
// Write a Java program to reverse a string.
Scanner input = new Scanner(System.in);
System.out.println("Enter the String:");
char[] letters = input.nextLine().toCharArray();
System.out.println(" Reverse String");
for(int i = letters.length -1; i >= 0; i--){
System.out.print(letters[i]);
}
}
}Copyright © 2021 Codeinu
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