I want to create an issue on jira using rest in java.also I need to create a project remotely using rest.can someone help me with that?

public static void main(){
 String username="ssinghal";
    String password="as12345678";
    String url="http://localhost:9002/rest/api/2/issue/";
    String[] command = {"curl", "-D-", "-u", username+":"+password, "-X", " --data {\"fields\": {\"project\":{\"key\": \"FT\"},\"summary\": \"REST ye merry gentlemen.\",\"description\": \"Creating of an issue using project keys and issue type names using the REST API\",\"issuetype\": {\"name\": \"Bug\"}}}", "-H", "Accept:application/json", url};
        ProcessBuilder process = new ProcessBuilder(command); 
        Process p;
        try
        {
            p = process.start();
             BufferedReader reader =  new BufferedReader(new InputStreamReader(p.getInputStream()));
                StringBuilder builder = new StringBuilder();
                String line = null;
                while ( (line = reader.readLine()) != null) {
                        builder.append(line);
                        builder.append(System.getProperty("line.separator"));
                }
                String result = builder.toString();
                System.out.print(result);

        }
        catch (IOException e)
        {   System.out.print("error");
            e.printStackTrace();
        }}  
}