Method main

day12/code/day12_String/src/cn/itcast_06/StringDemo2.java:8–13

(String[] args)

 */
public class StringDemo2 {
	public static void main(String[] args) {
		String s = "     hello  world           ";

		System.out.println("---" + s + "---");
		System.out.println("---" + s.trim() + "---");
	}
}