import java.util.*;
public class Test2
{
public static int sumIntArrary(int[] arr)
{
int sum=0;
for(int a;arr;)
{
sum+=arr;
}
System.out.println("和为"+sum);
return sum; }
public static void main(String[] args)
{
int sum1=Test2.sumIntArrary(int b)
Scanner input=new Scanner(System.in);
System.out.println(请输入数组);
for(int c,arr1;)
{
arr1=input.nextInt();
}题目是:求整型数组中所有元素的和。测试数据:{1}、{0,3,2,12}。
对于数组的引用,不清楚,还有对打红线的部分,也请解释下。 解释完了直接拿分,不罗嗦。
public class Test2 { public static int sumIntArrary(int[] arr) {
int sum = 0;
for (int a = 0; a < arr.length; a++) {
sum += arr[a];
}
System.out.println("和为" + sum);
return sum; } public static void main(String[] args) {
int[] arr1 = new int[10];
Scanner input = new Scanner(System.in);
System.out.println("请输入数组");
for (int c = 0; c < arr1.length; c++) {
arr1[c] = input.nextInt();
} int sum1 = sumIntArrary(arr1);
}}
public class Test2 { public static int sumIntArrary(int[] arr) {
int sum = 0;
for (int a = 0; a < arr.length; a++) {
sum += arr[a];
}
System.out.println("和为" + sum);
return sum; } public static void main(String[] args) {
int[] arr1 = new int[10];
Scanner input = new Scanner(System.in);
System.out.println("请输入数组");
for (int c = 0; c < arr1.length; c++) {
arr1[c] = input.nextInt();
} int sum1 = sumIntArrary(arr1);
}}
public class Test2 { public static int sumIntArrary(int[] arr) {
int sum = 0;
for (int a = 0; a < arr.length; a++) {
sum += arr[a];
}
System.out.println("和为" + sum);
return sum; } public static void main(String[] args) {
int[] arr1 = new int[10];
Scanner input = new Scanner(System.in);
System.out.println("请输入数组");
for (int c = 0; c < arr1.length; c++) {
arr1[c] = input.nextInt();
} int sum1 = sumIntArrary(arr1);
}}
数组还没学,看看!挺不错的
int sum = 0;
for (int a = 0; a < arr.length; a++) {
sum += arr[a];
}
System.out.println("和为" + sum);
return sum; } public static void main(String[] args) {
int[] arr1 = new int[10];
Scanner input = new Scanner(System.in);
System.out.println("请输入数组");
for (int c = 0; c < arr1.length; c++) {
arr1[c] = input.nextInt();
} int sum1 = sumIntArrary(arr1);
}}