package com.example.jz.dao;
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import org.junit.jupiter.api.Test;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.test.context.SpringBootTest;
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/**
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* @author 安瑾然
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* @data 2022/7/18 - 11:49 AM
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* @description
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*/
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@SpringBootTest
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class UserDaoTest {
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@Autowired
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private UserDao userDao;
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@Test
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void updateUser() {
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String str = "XXO";
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int conut = 0;
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for (char c : str.toCharArray()) {
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if (c != 'O') {
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conut++;
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}
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}
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System.out.println(conut);
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}
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}
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