myBooks[0].title = "The Grapes of Java";
会报 空指针的,,
Books[] myBooks = new Books[3];
虽然声明了 数组 但是并没有 给 数组 赋值,就调用对象属性,绝对会报错的,
解决办法
Books[] myBooks = new Books[3];
myBooks[0] = new Books();
myBooks[1] = new Books();
myBooks[2] = new Books();
追问这位大佬,我要源代码
c++或者pascal的