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How to create and write JSON array to a file in java?
Java provides javax.json.Json package which contains classes to read a JSON array:
Example
import java.io.FileOutputStream; import javax.json.Json; import javax.json.JsonArray; import javax.json.JsonWriter; public class JSONArrayToFile { public static void main(String args[]) throws Exception { JsonArray value = Json.createArrayBuilder() .add(Json.createObjectBuilder() .add("id", "1001") .add("Technology", "JavaFX")) .add(Json.createObjectBuilder() .add("id", "1002") .add("Technology", "OpenCV")) .build(); System.out.println(value); JsonWriter writer = Json.createWriter(new FileOutputStream("sampleData")); writer.writeArray(value); writer.close(); } }
Output
["JavaFX","HBase","JOGL","WebGL"] After deleting ::["JavaFX","HBase","JOGL"]
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