duckduckgo. om code example
Example 1: duckduckgo
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Example 2: duckduckgo
try {
FileWriter writer = new FileWriter(path);
String[] allData = {"an","example","array"};
String rowInfo = String.join(",", allData); // return "an,example,array"
writer.append(rowInfo);
} catch (IOException e) {
e.printStackTrace();
}