把实验七实验报告里的代码拷进来了

实验7/src/task4/HelloHashMap.java

@@ -0,0 +1,17 @@
+package task4;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Scanner;
+
+public class HelloHashMap {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        HashMap hashMapExample = new HashMap<>();
+        for (int i = 0; i < 2; i++) {
+            hashMapExample.put(scanner.next(), scanner.next());
+        }
+        // ---------------------Begin------------------------
+        // ---------------------End------------------------
+    }
+}