回答編集履歴
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ソース追記
test
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@@ -19,3 +19,99 @@
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「追記」
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ループカウンタ(i)がdoubleなのはなぜでしょう？・・・int? また、最初のループって2回しか回らないのでは？
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「またまた追記ｗ」
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```java
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/*
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* To change this license header, choose License Headers in Project Properties.
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* To change this template file, choose Tools | Templates
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* and open the template in the editor.
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*/
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package javaapplication1;
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//
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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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import java.io.IOException;
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/**
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*
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*/
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public class JavaApplication1 {
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/**
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* @param args the command line arguments
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*/
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public static void main(String[] args) {
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BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
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try {
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System.out.println("数値を３つ、入力し、合計して平均値を出そう！");
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// for (int i = 0; i < 3; i++) {
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// String str = br.readLine();
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// Double.parseDouble(str);
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// }
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System.out.println( add(br));
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} catch (IOException e) {
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System.out.println("Exception :" + e);
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}
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}
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public static double add(BufferedReader br) throws IOException {
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double total= 0;
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for (int i = 0; i < 3; i++) {
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String str = br.readLine();
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total += Double.parseDouble(str);
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}
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return total;
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}
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}
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```
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1
追記
test
CHANGED
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@@ -13,3 +13,9 @@
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と、波括弧'}'の閉め忘れ
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「追記」
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21
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+
ループカウンタ(i)がdoubleなのはなぜでしょう？・・・int? また、最初のループって2回しか回らないのでは？
|