reverse string java
String string="whatever"; String reverse = new StringBuffer(string).reverse().toString(); System.out.println(reverse);
reverse string java
String string="whatever"; String reverse = new StringBuffer(string).reverse().toString(); System.out.println(reverse);
java reverse a string
// Library approach public static String solution(String str) { // StringBuilder is not thread-safe, use StringBuffer return new StringBuffer(str).reverse().toString(); } // DIY approach public static String solution(String str) { char[] chars = str.toCharArray(); for(int i = 0, j = str.length() - 1; i < j; i++, j--) { char ch = chars[i]; chars[i] = chars[j]; chars[j] = ch; } return new String(chars); }
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
// reverse a string using character array class ReverseUsingCharacterArray { public static void main(String[] args) { String str = "HelloWorldJava"; char[] ch = str.toCharArray(); for(int a = ch.length - 1; a >= 0; a--) System.out.print(ch[a]); } }
Reverse a string in java
// reverse a string using toCharArray() method class ReverseUsingToCharArrayMethod { public static void main(String[] args) { String str = "Hello World Java"; char[] chTemp = str.toCharArray(); int left, right = 0; right = chTemp.length - 1; for(left = 0; left < right ; left++, right--) { // swap values char temp = chTemp[left]; chTemp[left] = chTemp[right]; chTemp[right]=temp; } for(char c : chTemp) System.out.print(c); System.out.println(); } }
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]); } } }
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