摘要： 先看bt栈 (gdb) bt #0 ConstantPool::allocate (loader_data=0x7fe21802e868, length=87, __the_thread__=0x7fe21800b800) at /home/atzhang/atzhang/openjdksource 阅读全文

摘要： #include <iostream> using namespace std; class C {}; class A:public C { private: long a; long b; long c; public: A(long a,long b,long c){ this->a=a;th 阅读全文