import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;
public class Solution {
static int simpleArraySum(int n, int[] ar) {
// Complete this function
for(int ar_i = 0; ar_i < n; ar_i++){
result = result +ar[ar_i];
return result;
}
}
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
int n = in.nextInt();
int[] ar = new int[n];
for(int ar_i = 0; ar_i < n; ar_i++){
ar[ar_i] = in.nextInt();
}
int result = simpleArraySum(n, ar);
System.out.println(result);
}
}
錯誤日誌可以聲明主變量中的靜態函數嗎?
Solution.java:13: error: cannot find symbol
result = result +ar[ar_i];
^
symbol: variable result
location: class Solution
Solution.java:13: error: cannot find symbol
result = result +ar[ar_i];
^
symbol: variable result
location: class Solution
Solution.java:14: error: cannot find symbol
return result;
^
symbol: variable result
location: class Solution
3 errors
該程序假設打印元件的總和的陣列。我不知道如何從靜態函數訪問main中聲明的變量。我究竟做錯了什麼?
'int result'的範圍僅限於'main'方法。即使這兩個是「靜態」,變量也在方法內。您可以在類中聲明'static int result'。 – AxelH
聲明變量結果 – JavaLearner1
@AxelH感謝您提供的解決方案也可以解決。歡呼聲有美好的一天! – Dk1446