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);
}
}
错误日志可以声明主变量中的静态函数吗?
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
该程序假设打印元件的总和的阵列。我不知道如何从静态函数访问main中声明的变量。我究竟做错了什么?
'int result'的范围仅限于'main'方法。即使这两个是“静态”,变量也在方法内。您可以在类中声明'static int result'。 – AxelH
声明变量结果 – JavaLearner1
@AxelH感谢您提供的解决方案也可以解决。欢呼声有美好的一天! – Dk1446