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发表于 2021-9-10 13:50:35
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本楼为最佳答案
1.读取文件版:
- package excel;
- import java.io.*;
- import java.util.Scanner;
- public class Test {
- public static void main(String[] args) throws IOException {
- FileReader fileReader = new FileReader("C:\\Users\\sinosoft\\Desktop\\test.txt");
- BufferedReader bufferedReader = new BufferedReader(fileReader);
- String m;
- while ((m = bufferedReader.readLine()) != null) {
- String[] s = m.split(" ");
- int num = 0;
- for (int i = 0; i < s.length; i++) {
- num += Integer.parseInt(s[i]);
- }
- System.out.println(num);
- }
- }
- }
复制代码
2.手动输入版
- package excel;
- import java.io.*;
- import java.util.Scanner;
- public class Test {
- public static void main(String[] args) throws IOException {
- Scanner scanner = new Scanner(System.in);
- while (true){
- int i = 3,i1 = 0,num = 0;
- while (i > 0){
- i1 = scanner.nextInt();
- num+=i1;
- i--;
- }
- System.out.println(num);
- }
- }
- }
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