file io

templates/java/FileIOSimple.java

@@ -0,0 +1,21 @@
+import java.util.*;
+import java.io.*;
+import java.math.*;
+
+public class FileIOSimple {
+  static final String INPUT_FILE = "problem.in";
+  static final String OUTPUT_FILE = "problem.out";
+
+  static Scanner sc;
+
+  public static void main(String[] args) throws IOException {
+    sc = new Scanner(new File(INPUT_FILE));
+    System.setOut(new PrintStream(new File(OUTPUT_FILE)));
+
+    // Write code here
+
+    int a = sc.nextInt();
+    System.out.println(a);
+
+  }
+}