이 코드를 가지고 있습니다 : indexOfChromosomes : 48 indexOfGens : 20 double truncation; 이중 크로스 오버; 이중 돌연변이; int 세대;오류 : Android의 경우 ArrayIndexOutOfBoundsException
private Context context;
int indexOfChromosomes;
int indexOfGens;
int gensNumber;
int chromosomesNumber;
public AdapterDB(int Bits, double Truncation, double Crossover, double Mutation, int Chromosomes, int Generation, Context ctx)
{
this.indexOfGens = Bits;
this.Truncation = Truncation;
this.Crossover = Crossover;
this.Mutation = Mutation;
this.indexOfChromosomes = Chromosomes;
this.Generation = Generation;
this.context = ctx;
DBHelper = new DatabaseHelper (context);
}
String [][] population = new String[indexOfChromosomes][indexOfGens];
public void generateChromosome()
{
for(chromosomesNumber = 0; chromosomesNumber < indexOfChromosomes ; chromosomesNumber++)
{
int o = 0;
for(gensNumber = 0; gensNumber < 12 ; gensNumber++)
{
Cursor l = db.rawQuery("SELECT _id, key_foodstuff, key_calorie, key_carbohydrate, key_fat, key_protein FROM (food INNER JOIN categories ON food.key_nocategory = categories.nocategories) WHERE key_type='primary' AND _id!=164 AND (key_carbohydrate!=0 OR key_protein!=0 OR key_fat!=0) ORDER BY RANDOM() LIMIT 1", null);
if((l.moveToFirst()) && (l!=null))
{
if (o == indexOfGens)
{
gensNumber = 0;
sumOfCarbohydrateMor = 0;
sumOfFatMor = 0;
sumOfProteinMor = 0;
sumOfCalorieMor = 0;
o = 0;
}
population[chromosomesNumber][gensNumber] = l.getString(0);
morning_food[k] = l.getString(3);
sumOfCarbohydrateMor = sumOfCarbohydrateMor + Double.parseDouble(morning_food[k]);
morning_food[f] = l.getString(4);
sumOfFatMor = sumOfFatMor + Double.parseDouble(morning_food[f]);
morning_food[p] = l.getString(5);
sumOfProteinMor = sumOfProteinMor + Double.parseDouble(morning_food[p]);
morning_food[c] = l.getString(2);
sumOfCalorieMor = sumOfCalorieMor + Double.parseDouble(morning_food[c]);
if (((sumOfCarbohydrateMor >= (morning_car-(morning_car*0.2))) && (sumOfCarbohydrateMor <= morning_cal*1.1)) && ((sumOfProteinMor >= (morning_pro-(morning_pro*0.2))) && (sumOfProteinMor <= morning_pro*1.1)) && ((sumOfFatMor >= (morning_fat-(morning_fat*0.2))) && (sumOfFatMor <= morning_fat*1.1)))
//if((sumOfCarbohydrateMor > (morning_car*0.6)) && (sumOfProteinMor > (morning_pro*0.7)) && (sumOfFatMor > (morning_fat*0.8)))
{
Log.e("lala", "lalala");
break;
}
if ((sumOfCarbohydrateMor > (morning_car*1.1)) || (sumOfProteinMor > (morning_pro*1.1)) || (sumOfFatMor > (morning_fat*1.1)) || (sumOfCalorieMor > (morning_cal*1.1))
{
morning_food[k] = l.getString(3);
sumOfCarbohydrateMor = sumOfCarbohydrateMor - Double.parseDouble(morning_food[k]);
morning_food[f] = l.getString(4);
sumOfFatMor = sumOfFatMor - Double.parseDouble(morning_food[f]);
morning_food[p] = l.getString(5);
sumOfProteinMor = sumOfProteinMor - Double.parseDouble(morning_food[p]);
morning_food[c] = l.getString(2);
sumOfCalorieMor = sumOfCalorieMor - Double.parseDouble(morning_food[c]);
gensNumber--;
o++;
}
}
}
라인 그것이 오류 : 48
오류는 말한다 :
어떤 생각 java.lang.ArrayIndexOutOfBoundsException
? 들으이 문제
실제로 48과 20인지 확인 하시겠습니까? 디버깅을 한 적이 있습니까? – SuperTron
예. LogCat – Michelle
정보가 부족합니다. 당신이 생성자에게주고있는 가치는 무엇입니까? –