tolowercase_Java String toLowerCase（）方法与示例

参考链接： Java字符串之-toLowerCase()

tolowercase

  字符串toLowerCase()方法 (String toLowerCase() Method) 

 toLowerCase() method is a String class method, it is used to convert given string into the lowercase. 

  toLowerCase()方法是String类方法，用于将给定的字符串转换为小写。  

 Syntax: 

  句法：  

     String String_object.toLowerCase();

 Here, String_object is a String object which we have to convert into lowercase. The method does not change the string; it returns the lowercase converted string. 

  在这里， String_object是一个String对象，我们必须将其转换为小写形式。 该方法不更改字符串。 它返回小写转换后的字符串。  

 Example: 

  例：  

     Input:

    str = "Welcome at IncludeHelp!"

    Function call:

    ans = str.toLowerCase()

    Output:

    ans = "welcome at includehelp!"

 Code: 

  码：  

 public class Main

{

    public static void main(String[] args) {

        String str = "Welcome at IncludeHelp!";

        String ans = str.toLowerCase();

        System.out.println("str = " + str);

        System.out.println("ans = " + ans);        

    }

}

 Output 

  输出量  

 str = Welcome at IncludeHelp!

ans = welcome at includehelp!

  翻译自: https://www.includehelp.com/java/string-toLowerCase-method-with-example.aspx

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