Java字符串反转函数reverse（）

Java字符串反转函数reverse（）

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