点击一个网站的链接，当我创建 Error activating IEntityCache using binding from IEntityCache to EntityCache
No constructor was available to create an instance of the implementation type.
Activation path:
4) Injec
在下面提到的程序中，对比字符串和原始值的输出。这是如何在内部工作？ public class Test {
public static void main(String[] args) {
String s1 = String.valueOf(99);
String s2 = String.valueOf(99);
System.out.print