问题：intClass 不是指向Class 类的吗？为什么 出现以下错误：

D:\java_exercise>java TypeInfoEx10
java.lang.InstantiationException: int

    at java.lang.Class.newInstance(Class.java:427)
    at TypeInfoEx10.main(TypeInfoEx10.java:8)

Caused by: java.lang.NoSuchMethodException: int.<init>()

    at java.lang.Class.getConstructor0(Class.java:3082)
    at java.lang.Class.newInstance(Class.java:412)
    ... 1 more

public class TypeInfoEx10 
{
        public static void main (String [ ] args )
        {
                Class<Integer> intClass = int . class ;
                try
                {                    
                        int i =  intClass . newInstance ( ) ;
                        i =1 ;
                        System . out .println ( i ) ;
                        
                }
                catch ( Exception e)
                {
                        e . printStackTrace ( ) ;
                }
        }
}