if statement for java

 public int  payment(){
        int Carpayment;
                int hour;
                String type;
        
        if (type == "MyVi")
            Carpayment = 10 * hour;
        else 
            if (type == "Iswara")
                Carpayment = 15 * hour;
        else 
            if (type == "Waja")
                Carpayment = 20 * hour;
        else 
            if (type == "Vios")
                Carpayment = 25 * hour;
        else 
            if (type == "Civic")
                Carpayment = 30 * hour; 
        
        return Carpayment;
     }

when I run this coding an error occur. error: variable Carpayment might not have been initialized