Answers for "revers string in java"

3

reverse string java

String string="whatever";
String reverse = new StringBuffer(string).reverse().toString();
System.out.println(reverse);
Posted by: Guest on October-14-2020
1

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]);
   }
}
Posted by: Guest on December-07-2020
1

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();
   }
}
Posted by: Guest on December-07-2020

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