Java string inversion function reverse

Java string inversion function reverse()

package test1;
 
public class TestReverse {
	public static void main(String[] args) {
		String str2 = "Hello";
		str2 = new StringBuffer(str2).reverse().toString();
		(str2);
 
		String message = "Hello";
		StringBuilder rev = new StringBuilder();
		for (int i = () - 1; i >= 0; i--)
			((i));
		(());
 
	}
 
}