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void funcc(){
// C++的写法在开辟和释放内存时,会调用构造函数和析构函数 // 动态申请堆内存,保存对象 Teacher *t1 = new Teacher("Jack"); // 释放堆内存 delete t1;
// C的写法在开辟和释放时,不会调用构造函数和析构函数 Teacher *t2 = (Teacher*)malloc(sizeof(Teacher)); free(t2); }
void funA(){ // C数组 int *p1 = (int*)malloc(sizeof(int)* 10); p1[0] = 1; free(p1);
// C++ int *p2 = new int[10]; p2[0] = 2; delete[] p2; }
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