package com.ediagnosis.cdr.dao;

import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;

@SpringBootTest
public class StringTest {

    @Test
    public void test() {
        String sql = "字符串";
        changString(sql);
        System.out.println(sql);
    }

    private void changString(String sql) {
        sql+= ";changString();";
    }

    private String returnString(String sql) {
        return sql+= ";returnString();";
    }

    private String returnNewString(String sql) {
        return sql + ";returnNewString();";
    }

    private String returnNewString2(String sql) {
        String newString = new String(sql);
        return newString + ";returnNewString2();";
    }

}