java - 尝试向一个主要整数添加更多整数

Question

嗨，我正在尝试制作一个问题游戏来测试我的知识和能力 无论如何，我试图使用一个整数作为点和用户的每个问题 无论如何，答案得到了特别的分数，我正在尝试这样做

      switch (Ques){ case 1 : //first question about India and where it is in the map
          System.out.println("in what continent India is?");
          Scanner IndiaAns = new Scanner(System.in); //Scanner to receive user answer
          String IndiaAns2 , IndiaAnswer ; //strings to be used to receive user input and matching with the correct ones
          IndiaAns2 = IndiaAns.nextLine(); //Scanner will work here and receive...
          IndiaAnswer = "asia"; //the correct answer here and will be matched with user ones
          if (IndiaAns2 == IndiaAnswer) 
          {int Twopoints = 2; Points = + Twopoints; } else{}

          case 2:
          System.out.println("the Appstore founds in any phone model?");
          Scanner Appstore =new Scanner(System.in);
          String AppstoreAns1 ,AppstoreAns2; //strings saving 
          AppstoreAns1 = Appstore.nextLine(); //Scanner
          AppstoreAns2 = "iphone"; //matching with user answer
          if (AppstoreAns1 == AppstoreAns2)
          { int Threepoints = 3; Points = +Threepoints;} else { Points = +0;}

..还有另外两种情况，并且点整数不在代码示例区域中，无论如何都在上行，如果需要完整的代码，我会将其放入

Answer 1

关于您的代码，

  if (IndiaAns2 == IndiaAnswer) 
          {int Twopoints = 2; Points = + Twopoints; } else{} 

应该是这样的

 if(indiaAns2.equals(indiaAnswer)){
  points += QUESTION_1_POINTS;
 }

其中QUESTION_1_POINTS被定义为像`

这样的常量

public static final int  QUESTION_1_POINTS =2;

您将在此处分配给 points 变量，points + QUESTION_1_POINTS。

points += someInteger   --> points = points + someInteger

一些建议

1) 关注 Java Code Conventions ，变量名小写开头

2) 对于对象比较，始终使用 equals() 而不是 == 示例:

改变

if (IndiaAns2 == IndiaAnswer) 

至:

if (indiaAns2.equals(indiaAnswer)) 

3)你需要做switch语句

switch(condition){
case 1:
//code
break;
case 2:
//code 
break;
default:// some code;
}