package JavaBasic;
/**
* @Author MaoTian
* @Classname StringTest
* @Description TODO
* @Date 上åˆ9:39 2019/8/15
* @Version 1.0
* @Created by mao
*/
public class StringTest {
public static void main(String args[]) {
String s1 = new StringBuilder().append("String").append("Test").toString();
System.out.println(s1.intern() == s1);
//当调用 intern 方法时，如果常é‡æ± ä¸å·²ç»è¯¥å—ç¬¦ä¸²ï¼Œåˆ™è¿”å›žæ± ä¸çš„å—符串；
// å¦åˆ™å°†æ¤å—ç¬¦ä¸²æ·»åŠ åˆ°å¸¸é‡æ± ä¸ï¼Œå¹¶è¿”回å—符串的引用。
String s2 = new StringBuilder().append("ja").append("va").toString();
System.out.println(s2.intern() == s2);
}
}