如何維持前期增量的價值循環

-2

int yaya = 5; 
int x = 10; 
do { 
    System.out.println("-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="); 
    System.out.println("Vote Ballot"); 
    System.out.println("Below are the 2 Canditates you can choose to vote from"); 
    System.out.println("Mar Roxas --- Code: 11"); 
    System.out.println("Duterte ---- Code: 12"); 
    System.out.println("-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="); 
    System.out.println("Who do you vote? Enter numbers only!"); 
    int choice = input.nextInt(); 
    System.out.println("-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="); 
    if (choice == 11) 
    { 

     System.out.println("You have voted Mar Roxas and not Duterte"); 

    } 
    else if (choice == 12) 
    { 

     System.out.println("You have voted Duterte and not Mar Roxas"); 

    } 
    else 
    { 

     System.out.println("You have entered an invalid number"); 

    } 
    String confirm = "confirm"; 
    String deny = "deny"; 
    int conf = 1; 
    int den = 2; 
    System.out.println("-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="); 
    System.out.println("Do you want to let another voter vote? Or would you like to end the program at hand?"); 

    int ans = input.nextInt(); 
    System.out.println("-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="); 
    if (ans==1) 
    { 

     System.out.println("The program would now repeat"); 

    } 
    else if (ans==2) 
    { 

      if (choice ==11) 
      { 
       int RoxasC = 0; 
       int DuterteC = 0; 
       RoxasC+=1; 

       System.out.println("Mar roxas recieved " +RoxasC+ " number of vote/s and Duterte Recieved " +DuterteC+ 
       " number of votes"); 

      } 
      else if (choice ==12) 
      { 
       int RoxasC = 0; 
       int DuterteC = 0; 

       DuterteC+=1; 
       System.out.println("Duterte recieved " +DuterteC+ " number of vote/s Roxas received " +RoxasC+ 
       " number of votes"); 

      } 
      System.out.println("Program will end as per request"); 
      break; 

    } 
    else 
    { 
     System.out.println("You entered an invalid keyword program would still repeat"); 
    } 

    System.out.println("\n"); 

} while(yaya==5); //Program Runs Infinitely

這裏是我的問題：

比方說，我運行程序一次，我選擇投我的馬·羅哈斯投票。我輸入數字11.如果我選擇停止該計劃，它會對它進行合併，並說Mar Roxas得到一票，而另一個得到0.到目前爲止，這麼好。當我決定選擇繼續循環（將重新運行程序）時，它會出現問題。

當我決定投上其他政客我的投票，決定結束程序，我對馬·羅哈斯初始票變爲0，Duterte得到1

我怎樣才能保持我以前的票值當繼續循環？

來源

2015-12-02 Joseph Andrews

您初始化整數0的循環中。只要你離開那個if區塊，那些變量就會超出範圍。如果你想保留它們，你必須在循環之外聲明它們。 – Arc676

@JosephAndrews您是指我的答案，還是您的意思是迴應Arc676？ –

需要採取以下行動：

Roxas和Duterte的投票計數需要在do-while循環之外初始化;這樣，它們不會在循環內重置爲零。
在投票期間遞增投票計數器而不是計算結果時。這樣，它們實際上可以保持大於1的值。
將yaya設置爲5以外的數字以突破循環（當投票結束時）。

Scanner input = new Scanner(System.in); 
int yaya = 5; 
int x = 10; 
int RoxasC = 0; 
int DuterteC = 0; 

do { 
    System.out.println("-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="); 
    System.out.println("Vote Ballot"); 
    System.out.println("Below are the 2 Canditates you can choose to vote from"); 
    System.out.println("Mar Roxas --- Code: 11"); 
    System.out.println("Duterte ---- Code: 12"); 
    System.out.println("-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="); 
    System.out.println("Who do you vote? Enter numbers only!"); 
    int choice = input.nextInt(); 
    System.out.println("-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="); 
    if (choice == 11) 
    { 

     System.out.println("You have voted Mar Roxas and not Duterte"); 
     RoxasC++; 

    } 
    else if (choice == 12) 
    { 

     System.out.println("You have voted Duterte and not Mar Roxas"); 
     DuterteC++; 

    } 
    else 
    { 

     System.out.println("You have entered an invalid number"); 

    } 
    String confirm = "confirm"; 
    String deny = "deny"; 
    int conf = 1; 
    int den = 2; 
    System.out.println("-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="); 
    System.out.println("Do you want to let another voter vote? Or would you like to end the program at hand?"); 

    int ans = input.nextInt(); 
    System.out.println("-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="); 
    if (ans==1) 
    { 

     System.out.println("The program would now repeat"); 

    } 
    else if (ans==2) 
    { 
      System.out.println("Mar Roxas received " +RoxasC+ " number of votes, and Duterte received " +DuterteC+ 
       " number of votes"); 

      System.out.println("Program will end as per request"); 
      yaya = 0; 
      break; 

    } 
    else 
    { 
     System.out.println("You entered an invalid keyword program would still repeat"); 
    } 

    System.out.println("\n"); 

} while(yaya==5); //Program Runs Infinitely

來源

2015-12-02 12:45:49

謝謝！ @ChrisForrence。我意識到我的錯誤， –

這將解決您的problem.Actually在每次循環迭代你重新initializaingg你再次櫃檯所以你RoxasC和DuterteC計數器正在重新initializad到零上每次循環

int yaya = 5; 
    int x = 10; 
    int RoxasC = 0; 
    int DuterteC = 0; 
    do{ 
    System.out.println("-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="); 
    System.out.println("Vote Ballot"); 
    System.out.println("Below are the 2 Canditates you can choose to vote from"); 
    System.out.println("Mar Roxas --- Code: 11"); 
    System.out.println("Duterte ---- Code: 12"); 
    System.out.println("-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="); 
    System.out.println("Who do you vote? Enter numbers only!"); 
    int choice = input.nextInt(); 
    System.out.println("-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="); 
    if (choice == 11) 
    { 
     RoxasC+=1; 
     System.out.println("You have voted Mar Roxas and not Duterte"); 


    } else if (choice == 12) 
    { 

      DuterteC+=1; 
     System.out.println("You have voted Duterte and not Mar Roxas"); 


    } 
    else 
    { 

     System.out.println("You have entered an invalid number"); 

    } 
    String confirm = "confirm"; 
    String deny = "deny"; 
    int conf=1; 
    int den=2; 
    System.out.println("-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="); 
    System.out.println("Do you want to let another voter vote? Or would you like to end the program at hand?"); 

    int ans = input.nextInt(); 
    System.out.println("-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="); 
    if (ans==1) 
    { 

     System.out.println("The program would now repeat"); 



    } 
    else if (ans==2) 
    { 


      if (choice ==11) 
      { 



       System.out.println("Mar roxas recieved " +RoxasC+ " number of vote/s and Duterte Recieved " +DuterteC+ 
       " number of votes"); 

      } else if (choice ==12) 
      { 



       System.out.println("Duterte recieved " +DuterteC+ " number of vote/s Roxas received " +RoxasC+ 
       " number of votes"); 


      } 
      System.out.println("Program will end as per request"); 
      break; 


    } else 
    { 
     System.out.println("You entered an invalid keyword program would still repeat"); 
     } 

    System.out.println("\n"); 

    }while(yaya==5); //Program Runs Infinitely

來源

2015-12-02 12:32:25

Haseeb，當你在正確的軌道上初始化do-while循環之外的投票計數器時，你錯過了一些東西;在你的代碼中，當投票計數器增加了嗎？ –

RoxasC + = 1;和DuterteC + = 1;在條件成立的情況下，if條件將遞增計數器。 @chrisForrence –

好吧，其中if-condition？投票的人還是決定投票是否繼續的人？ –

Scanner input = new Scanner(System.in); 

int RoxasC = 0; 
int DuterteC = 0; 

int yaya = 5; 
    int x = 10; 
    do{ 
    System.out.println("-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="); 
    System.out.println("Vote Ballot"); 
    System.out.println("Below are the 2 Canditates you can choose to vote from"); 
    System.out.println("Mar Roxas --- Code: 11"); 
    System.out.println("Duterte ---- Code: 12"); 
    System.out.println("-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="); 
    System.out.println("Who do you vote? Enter numbers only!"); 
    int choice = input.nextInt(); 
    System.out.println("-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="); 
    if (choice == 11) 
    { 

     System.out.println("You have voted Mar Roxas and not Duterte"); 


    } else if (choice == 12) 
    { 


     System.out.println("You have voted Duterte and not Mar Roxas"); 


    } 
    else 
    { 

     System.out.println("You have entered an invalid number"); 

    } 
    String confirm = "confirm"; 
    String deny = "deny"; 
    int conf=1; 
    int den=2; 
    System.out.println("-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="); 
    System.out.println("Do you want to let another voter vote? Or would you like to end the program at hand?"); 

    int ans = input.nextInt(); 
    System.out.println("-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="); 
    if (ans==1) 
    { 

     System.out.println("The program would now repeat"); 


      if (choice ==11) 
      { 

       RoxasC+=1; 

       System.out.println("Mar roxas recieved " +RoxasC+ " number of vote/s and Duterte Recieved " +DuterteC+ 
       " number of votes"); 

      } else if (choice ==12) 
      { 


       DuterteC+=1; 
       System.out.println("Duterte recieved " +DuterteC+ " number of vote/s Roxas received " +RoxasC+ 
       " number of votes"); 


      } 


    } 
    else if (ans==2) 
    { 


      if (choice ==11) 
      { 



       System.out.println("Mar roxas recieved " +RoxasC+ " number of vote/s and Duterte Recieved " +DuterteC+ 
       " number of votes"); 

      } else if (choice ==12) 
      { 


       System.out.println("Duterte recieved " +DuterteC+ " number of vote/s Roxas received " +RoxasC+ 
       " number of votes"); 


      } 
      System.out.println("Program will end as per request"); 
      break; 


    } else 
    { 
     System.out.println("You entered an invalid keyword program would still repeat"); 
     } 

    System.out.println("\n"); 

    }while(yaya==5); //Program Runs Infinitely

來源

2015-12-02 12:43:08

這是第一個可能正確的解決方案;如果投票應繼續進行，您在循環中遞增計數器，因此投票計數器將在程序運行時累計。 –

如何維持前期增量的價值循環

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