Materials/tools:

be cast into the shade

Method:

1. Double-click before the code you want to debug? , as shown in the figure, click the beetle logo under the menu bar to enter the debugging mode (or right-click debug as-> Java Application).

2、

As shown in the figure below, in debugging mode, the circled yes in the upper right corner represents the change of variables, and the running process of the code is in the lower left corner.

3. Press F6 to enter single-step operation.