How to Reverse a String using String Buffer and Without using string Buffer

package Test;

public class ReverseString {
public String reverseMyString(String str){
StringBuffer buffer = new StringBuffer(str);
buffer.reverse();
return buffer.toString();
}
public String reverseMyStringWithoutBuffer(String str){
int length = str.length();
String original = str;
String reverse = "";
for(int i = length-1; i>=0; i--){
reverse = reverse + original.charAt(i);
}
return reverse;
}
public static void main(String[] args){

ReverseString rs = new ReverseString();
System.out.println("Reversed String using Buffer: "
                          +rs.reverseMyString("SeleniumWebdriver"));
System.out.println("Reversed String without Buffer: "
                           +rs.reverseMyStringWithoutBuffer("SeleniumWebDriver"));
}


}





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