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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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