C break continue return

break： perform break operation , Jump out of the current whole loop , Go to the outer code and continue execution . Usually , Is from current break The loop of the nearest function body will be skipped . That is, only one cycle can be ended at a time
continue： perform continue operation , Jump out of this cycle , Continue running the loop from the next iteration , The inner loop has been executed , The outer code continues to run . Fields do not need to be followed by parameters . That is, the end of this cycle , And will then start the next cycle .
return： perform return operation , Return function directly , All the code in this function body （ Including the circulatory body ） No more . When a return value is required , It needs to be followed by a return value , Used to provide the return value required by the corresponding method . That is, it ends its cycle and its outer cycle at the same time .