first commit 3.8

src/main/java/edu/whut/hash/TwoSum.java

@@ -1,15 +0,0 @@
-package edu.whut.hash;
-
-
-/**
- * 题目：两数之和 (Two Sum)
- * 描述：给定一个整数数组 nums 和一个目标值 target，请你在该数组中找出和为目标值的那两个整数，并返回它们的数组下标。
- * 链接：https://leetcode.cn/problems/two-sum/
- */
-
-public class TwoSum {
-    public int[] twoSum(int[] nums, int target) {
-        // 实现代码
-        return new int[]{0, 1};
-    }
-}

src/test/java/edu/whut/hash/HashAlgorithmsTest.java

@@ -1,16 +0,0 @@
-package edu.whut.hash;
-
-import org.junit.Test;
-
-public class HashAlgorithmsTest {
-    @Test
-    public void testTwoSum() {
-        TwoSum solution = new TwoSum();
-        int[] nums = {2, 7, 11, 15};
-        int target = 9;
-        int[] result = solution.twoSum(nums, target);
-        for (int i = 0; i < result.length; i++) {
-            System.out.println(result[i]);
-        }
-    }
-}