first commit

J07002 - TÍNH TỔNG.java

@@ -0,0 +1,25 @@
+import java.util.Scanner;
+import java.io.File;
+import java.io.FileNotFoundException;
+
+public class Main{
+    public static void main(String args[]){
+        File x = new File("DATA.in");
+        try{
+            long s = 0;
+            Scanner sc = new Scanner(x);
+            while(sc.hasNext()){
+                try{
+                    String t = sc.next();
+                    s += Integer.parseInt(t);
+                }catch(NumberFormatException e){
+
+                }
+            }
+            System.out.println(s);
+        }catch(FileNotFoundException e){
+
+        }
+    
+    }
+}