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2017/02/02 09:32

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スコア4791

test CHANGED Viewed

@@ -153,3 +153,133 @@
 }
 ```
+# 追記
+sample.txt
+```
+1 2 3
+4 5 6 0
+7 8 9
+10 11 12
+```
+Main.java
+```java
+import java.io.BufferedReader;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+import java.util.List;
+public class Main {
+    public static void main(String[] args) throws IOException {
+        int[][] nums;
+        InputStream is;
+        BufferedReader br;
+        // //////////////////////////////////////////////////////
+        is = new FileInputStream("sample.txt");
+        br = new BufferedReader(new InputStreamReader(is));
+        List<int[]> table = new ArrayList<int[]>();
+        String str;
+        while ((str = br.readLine()) != null) {
+            String[] splitted = str.trim().split(" ");
+            if (splitted.length < 3) {
+                throw new IllegalStateException("Too few element.");
+            }
+            int[] row = new int[3];
+            for (int i = 0; i < 3; i++) {
+                row[i] = Integer.parseInt(splitted[i]);
+            }
+            table.add(row);
+        }
+        nums = table.toArray(new int[][] {});
+        // //////////////////////////////////////////////////////
+        for (int[] num : nums) {
+            for (int n : num) {
+                System.out.print(n + ",");
+            }
+            System.out.println();
+        }
+    }
+}
+```
+実行結果
+```
+1,2,3,
+4,5,6,
+7,8,9,
+10,11,12,
+```