Alternative for String.join in Android?

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I want to concatenate an ArrayList with commas as separators. I found this answer, stating it\'s possible to use String.join in Java.

When I try to use

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粉色の甜心

2020-12-14 05:51
You can use this
```
TextUtils.join(", ", your_list);
```
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借酒劲吻你

2020-12-14 06:03
You can use TextUtils.join instead:
```
String result = TextUtils.join(", ", list);
```
(String.join was added in Java 8, which is why you can't use it in Android.)
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故里飘歌

2020-12-14 06:08

String[] List ={"<html>","<body>","<title>"};
String abc;       
abc =TextUtils.join("\n", List);
textmsg.getText().insert(textmsg.getSelectionStart(), abc);

result:

<html>
<body>
<title>

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