Example jena select from https://www.youtube.com/watch?v=nUdHneViLp4&t=132s [Apache jena tutorial - using sparql with jena to query rdf document)

jena-select-query

import org.apache.jena.util.FileManager;
import org.apache.jena.rdf.model.Model;

// We need to import other parts of the library. The paths are suggested here.

// https://stackoverflow.com/questions/38640091/retrieve-items-from-a-model-in-jena

import org.apache.jena.query.Query;
import org.apache.jena.query.QueryExecution;
import org.apache.jena.query.QueryExecutionFactory;
import org.apache.jena.query.QueryFactory;
import org.apache.jena.query.QuerySolution;
import org.apache.jena.query.ResultSet;
import org.apache.jena.rdf.model.Literal;

public class Main {
   
	public static void main(String args[])
	{
		/* Reading a turtle file using the FOAF Ontology
		 * Foaf ontology: http://xmlns.com/foaf/spec/
		 */
		sparqlTest();
	}
	
	static void sparqlTest()
	{
		FileManager.get().addLocatorClassLoader(Main.class.getClassLoader());
		Model model = FileManager.get().loadModel("/home/brent/JenaApplication/jena-two/src/foaf3.rdf");
		
		String queryString = 
				"PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>" +
		        "PREFIX foaf: <http://xmlns.com/foaf/0.1/>" +
				"SELECT * WHERE { " +
		        " ?person foaf:name ?x . " +
				"}";
		Query query = QueryFactory.create(queryString);
		QueryExecution qexec = QueryExecutionFactory.create(query, model);
		try {
			
			ResultSet results = qexec.execSelect(); 
			while ( results.hasNext() ) { 
				QuerySolution soln = results.nextSolution();
				Literal name = soln.getLiteral("x");
				System.out.println(name);
			}
			
		} finally {
			qexec.close();
		}
	}
}