Using apache commons csv and java 8 lambda functions

App.java

package com.adjustit.csv;

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.util.List;
import java.util.function.Consumer;
import java.util.function.Predicate;

import org.apache.commons.csv.CSVFormat;
import org.apache.commons.csv.CSVParser;
import org.apache.commons.csv.CSVRecord;


/**
 * Hello world!
 *
 */
public class App 
{
    public static void main( String[] args )
    {
        System.out.println( "Hello World!" );
        
        try {
			
			parseCSVSort("resources/booking_integration_logs.csv");
			
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
        
        
        System.out.println("Done");
    }
	public static List<CSVRecord> getRecords2(String fname) throws IOException{
		
		InputStream initialStream = App.class.getClassLoader().getResourceAsStream(fname); 		
		
		// get the 
		Reader in = new InputStreamReader(initialStream);	
		// create the formater
		CSVFormat ourFormater = CSVFormat.RFC4180.withIgnoreSurroundingSpaces().withFirstRecordAsHeader();
		// put it into the paser
		CSVParser ourParser = new CSVParser(in, ourFormater);	
		
		List<CSVRecord> records = null;
		try {
			records = ourParser.getRecords();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}	
		
		return records;
		
	}
    
    public static void parseCSVSort(String fname) throws IOException{
		
		
		List<CSVRecord> records =  getRecords2(fname);
		
		Consumer<CSVRecord> printAll = e -> System.out.printf("BookingId :%s\t Howmany: %s\n",e.get("bookingId"), e.get("howmany"));
		
		// filter by the number of howmany
		Predicate<CSVRecord> howmany = (p) -> (Integer.valueOf(p.get("howmany")) > 10);
		
		
		System.out.println("Print All Data ");
		records.stream().filter(howmany).forEach(printAll);
		
	
	}
	
}

Add sorting

`public static void parseCSVSort(String fname) throws IOException{

	List<CSVRecord> records =  getRecords2(fname);
	
	Consumer<CSVRecord> printAll = e -> System.out.printf("BookingId :%s\t Howmany: %s\n",e.get("bookingId"), e.get("howmany"));
	
	// filter by the number of howmany
	Predicate<CSVRecord> howmany = (p) -> (Integer.valueOf(p.get("howmany")) > 10);
	
	Comparator<CSVRecord> compareHowmany= (o1, o2) -> (Integer.valueOf(o1.get("howmany")).compareTo(Integer.valueOf(o2.get("howmany")))); 
	
	
	System.out.println("Print All Data ");
	records.stream().filter(howmany).sorted(compareHowmany).forEach(printAll);
	

}`

<dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-csv</artifactId> <version>1.6</version> </dependency>