As shown in figure, just download intellij writing Java, a running without problems, but run again after modify the program is shown in figure 1 will jump out of the question, to find the answers are not online, check the projectSDK is right, the only method is to add a new projectSDK, but after modify the program will jump out of the errors, which have a great spirit support a move can ah, please, long plagued

CodePudding user response:

Solve the building Lord, I also met the same problem, split

CodePudding user response:

Project Structure, Modules, choose the corresponding module - language Level