The static method print() from the type PrintMenu should be accessed in a static way

This error message means that you are trying to call a static method in a non-static way. To fix this error, you need to call the method using the class name instead of an instance of the class.

For example, if you have a class called `PrintMenu` with a static method called `print()`, you cannot call it like this:

PrintMenu menu = new PrintMenu();
menu.print();

Instead, you need to call it like this:

PrintMenu.print();

This way, you are calling the static method directly on the class, rather than on an instance of the class.

相关问题

he static method b() from the type Er should be accessed in a static way

问题:he static method b() from the type Er should be accessed in a static way
回答: 这个错误提示是因为在访问静态方法b()时没有使用静态方式访问。静态方法是属于类的，而不是属于类的实例。要以静态方式访问静态方法，可以使用类名加上方法名的方式来调用。例如，如果Er是一个类，其中有一个静态方法b()，正确的访问方式应该是Er.b()。这样就可以以静态方式访问静态方法了。
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1. The following code snippet shows a printing function for a sparse matrix implemented with a linked-list. Circle the option that best describes the efficiency of such a function:void PrintMatrix_Slow(Node *listpointer, int size) {//added size to help for (int i = 0; i < size; i++) { for (int j = 0; j < size; j++) { printf("%d ", Search(listpointer, i, j)); } printf("\n"); } printf("\n"); }a) This is inefficient because the linked-list can be accessed randomly. b) This is the most efficient way to write a printing function because the linked-list has to be traversed from the head for every new Search(O call. c) This is inefficient because the linked-list has to be traversed from the head for every new Search() call. d) This is the most efficient way to write a printing function, as linked-list can be accessed randomly.请帮我选出答案

答案是c) This is inefficient because the linked-list has to be traversed from the head for every new Search() call. 在该函数中，对于每个元素，都需要从链表头部开始搜索，这样会导致时间复杂度增加。应该考虑使用其他数据结构或优化搜索算法来提高效率。