do {?? ??? ??? ?//try catch用來(lái)捕捉用戶(hù)輸入的錯(cuò)誤的id。并且向用戶(hù)拋出一個(gè)異常“請(qǐng)輸入正確的整數(shù)型的id”?? ??? ??? ?try {?? ??? ??? ??? ?System.out.println("請(qǐng)輸入您的id：");?? ??? ??? ??? ?id = console.nextInt();?? ??? ??? ??? ?//布爾型的ready用來(lái)控制循環(huán)的條件?? ??? ??? ??? ?ready = true;?? ??? ??? ?} catch (Exception e) {?? ??? ??? ??? ?System.out.println("請(qǐng)輸入正確的整數(shù)型的id");?? ??? ??? ??? ?//當(dāng)用戶(hù)輸入錯(cuò)誤的id時(shí)就會(huì)在拋出異常的同時(shí)讓布爾型的ready為flase。從而讓循環(huán)條件滿(mǎn)足。?? ??? ??? ??? ?ready = false;?? ??? ??? ??? ?//《？》這里的console.next();作用只是為了讓循環(huán)停止嗎?? ??? ??? ??? ?console.next();?? ??? ??? ?}?? ??? ?} while (ready == false);