範例

class ClassA {

private:satic int NUMBER1=5;
private:static char LETTER1;
private:char LETTER2;
};


解決方案 所有 static 欄位都應該在宣告時起始設定
範例

class ClassA {

private:satic int NUMBER1=5;
private:static char LETTER1='c';
private:char LETTER2;
};