開關語句問題

Question

我的開關語句有問題，對不起，如果這很瑣碎，我很新！在switch語句中，我得到錯誤：

令牌的語法錯誤，標籤預期代替。

在每一個我遇到了錯誤的情況：

令牌「案例」

語法錯誤，斷言預期

兩個productNumber和numberOfProduct是int類型的輸入由用戶。 total和currentTotal是double類型。

Switch (productNumber) //problem occurs here, at the switch statement and at each case 
{ 
    case 1: 
     currentTotal = numberOfProduct * 2.98; 
     total += currentTotal; 
     break; 

    case 2: 
     currentTotal = numberOfProduct * 4.50; 
     total += currentTotal; 
     break; 

    case 3: 
     currentTotal = numberOfProduct * 9.98; 
     total += currentTotal; 
     break; 

    case 4:// 
     currentTotal = numberOfProduct * 4.49; 
     total += currentTotal; 
     break; 

    case 5: 
     currentTotal = numberOfProduct * 6.87; 
     total += currentTotal; 
     break; 

    default: 
     System.out.println("The number entered is not a known product number. Known product numbers are 1, 2, 3, 4, and 5."); 
     --count; 
} 

Answer 1

這是一個語法錯誤。 switch需要小寫。

Answer 2

Switch-> switch？你可以試試