[英]Creating a random generated array in method and printing it
因此,我很確定自己已經正確創建了一個隨機整數生成器,該整數生成器會將整數放入數組中,盡管我在使用第二種方法時遇到了麻煩,應該將其打印出數組。
我的代碼:
import java.util.Random;
import java.util.Scanner;
public class Engine {
public int numDigits, numDigitsSet;
public int i;
public int[] secretNumber;
public Random randomNumberGenerator;
Scanner sc = new Scanner(System.in);
public void setNumDigits()
{
numDigitsSet = numDigits;
}
public int getNumDigits()
{
System.out.print("Enter the number of digits to use: ");
return numDigits = sc.nextInt();
}
public void generateNewSecret()
{
Random rand = new Random();{
for (int i=0; i<numDigitsSet; i++)
{
secretNumber[i]= rand.nextInt(10);
System.out.println("" + secretNumber[i]);
}
}
}
public int[] getSecretNumber()
{
for (int j=0; j<secretNumber.length; j++)
{
System.out.println("" + secretNumber[j]);
}
return secretNumber;
}
public void convertNumtoDigitArray()
{
String[] userGuessSplit = Player.userGuess.split(",");
int[] userGuessArray = new int[userGuessSplit.length];
for (int j=0; j<userGuessSplit.length; j++)
{
userGuessArray[j] = Integer.parseInt(userGuessSplit[j]);
}
}
}
要打印出陣列,可以使用非常方便
Arrays.toString(array);
JavaDoc: http : //docs.oracle.com/javase/7/docs/api/java/util/Arrays.html#toString(int [])
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