Java 错误：未解决的编译问题：无法将specialChr和小写字母解析为变量

使用相同的代码，早期获取错误异常可以正常工作

我也有局部变量，但总是在小写和规范中出错

java.lang.Error: Unresolved compilation problems: 
 specialChr cannot be resolved to a variable
 lowerCase cannot be resolved to a variable

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代码应该使用相同的字符串spec char和小写。

变量specialChr在哪里声明？@NehaArora您能告诉我们如何定义generateRandomSpecial（specialChr）吗？这可能是因为方法“generateRandomSpecial”和“generateupperCase”，“generatelowerCase”可能未返回字符串类型变量//若要仅为密码生成小写字母，请使用公共静态字符串generatelowerCase（字符串小写）{Random rand=new Random（）；StringBuilder res=new StringBuilder（）；for（int i=0；i<3；i++）{int randIndex=rand.nextInt（小写.length（））；res.append（lowerCase.charAt（randex））；}返回res.toString（）；}变量specialChr在哪里声明？@NehaArora您能告诉我们如何

generateRandomSpecial（specialChr）

已定义？这可能是因为“GeneratorDomainSpecial”、“generateupperCase”和“generatelowerCase”方法可能未返回字符串类型变量//要仅为密码生成小写字母，请为公共静态字符串generatelowerCase（字符串小写）{Random rand=new Random（）；StringBuilder res=new StringBuilder（）；for（int i=0；i<3；i++）{int randIndex=rand.nextInt（lowerCase.length（））；res.append（lowerCase.charAt（randIndex））；}返回res.toString（）；}

@Test(priority = 5)
public void npaCheckUpSignUpReschedulingAndCancellingAppointment()
        throws IOException, BiffException, InterruptedException {
    // generating user-name, password and confirm password.
    String userName = generateRandom(aToZ);
    System.out.println("UserName: " + userName);
    log = Logger.getLogger(CheckUpNPA.class);
    log.info("npaCheckUpSignUpReschedulingAndCancellingAppointment - Username: " + userName + "");
    // item 1
    WebElement createUserName = driver.findElement(By.xpath("//input[@id=" + readExcel(74, 3, 0) + "]"));
    fluientWaitforElement(createUserName, 20, 5);
    isElementPresent(createUserName);
    createUserName.sendKeys(userName);
// generating special character for password
    String specialCharacter = generateRandomSpecial(specialChr);
    // generating upper case character for the password
    String upperCaseCharacter = generateupperCase(upperCase);
    // generating lower case character for the password
    String lowerCaseCharacter = generatelowerCase(lowerCase);
    // generating number for the password
    String number = generatenumeral(numerals);
    String passWord = upperCaseCharacter + lowerCaseCharacter + specialCharacter + number;
    System.out.println("PassWord: " + passWord);
    log = Logger.getLogger(CheckUpNPA.class);
    log.info("npaCheckUpSignUpReschedulingAndCancellingAppointment - Password: " + passWord + "");