E cineva interesat / expert in Golang pe aici?

package main
import (
	"bufio"
	"fmt"
	"log"
	"os"
	"strconv"
	"time"
)
func citireFisier(cale string) ([]int){
	fisier, eroare := os.Open(cale)
	if eroare != nil {
		log.Fatal(eroare)
	}
	defer fisier.Close()
	var linii []int
	scanner := bufio.NewScanner(fisier)
	for scanner.Scan() {
		numar, _ := strconv.Atoi(scanner.Text())
		linii = append(linii, numar)
	}
	return linii
}
func cautareBinara(data []int, valoare int, indexStanga int, indexDreapta int) (int) {
	if(indexDreapta >= indexStanga) {
		indexMijloc := indexStanga + (indexDreapta - indexStanga) / 2;
		if(data[indexMijloc] == valoare) {
			return indexMijloc
		}
		if(data[indexMijloc] > valoare) {
			return cautareBinara(data, valoare, indexStanga, indexMijloc -1)
		}
		return cautareBinara(data, valoare, indexMijloc + 1, indexDreapta)
	}
	return -1
}
func sortareRapida(data []int, indexStanga int, indexDreapta int)  {
	if(indexStanga < indexDreapta) {
		partitie := partitionare(data, indexStanga, indexDreapta)
		sortareRapida(data, indexStanga, partitie -1)
		sortareRapida(data, partitie +1, indexDreapta)
	}
}
func partitionare(data []int, indexStanga int, indexDreapta int) (int){
	pivot := data[indexDreapta]
	i := indexStanga -1
	for j := indexStanga; j < indexDreapta; j++ {
		if(data[j] <= pivot) {
			i++;
			temp := data[i]
			data[i] = data[j]
			data[j] = temp
		}
	}
	temp :=data[i+1]
	data[i+1] = data[indexDreapta]
	data[indexDreapta] = temp
	return i+1
}
func metrice(start time.Time, stop time.Time) {
	diff := stop.Sub(start)
	fmt.Println( "timp de executie: ", time.Time{}.Add(diff).Format("00:00.000"))
}
func main() {
	start := time.Now()
	linii, indexStanga := citireFisier("I:\\input.txt"), 0
	indexDreapta :=  len(linii) -1
	valoareCautata := 650963
	sortareRapida(linii, indexStanga,indexDreapta )
	index := cautareBinara(linii, valoareCautata , indexStanga,indexDreapta)
	fmt.Println("\ncautare binara, index = ", index)
	stop := time.Now()
	metrice(start, stop)
}

import java.io.BufferedReader;
import java.io.FileReader;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Vector;
public class Test {
public static Vector<Integer> citireFisier(String cale) throws Exception{
	 BufferedReader br = new BufferedReader(new FileReader(cale));
	 Vector<Integer> buffer = new Vector();
	 String linie = "";
	 while((linie = br.readLine()) != null) {
		 buffer.add(Integer.valueOf(linie));
	 }
	 br.close();
	 return buffer;
}

public static int cautareBinara(Vector<Integer> data, int valoare, int indexStanga, int indexDreapta) {
	 if(indexDreapta >= indexStanga) {
		 int indexMijloc = indexStanga + (indexDreapta - indexStanga) / 2;
		 if(data.get(indexMijloc) == valoare) {
			 return indexMijloc;
		 }
		 if(data.get(indexMijloc) > valoare) {
			 return cautareBinara(data, valoare, indexStanga, indexMijloc -1);
		 }
		 return cautareBinara(data, valoare, indexMijloc + 1, indexDreapta);
	 }
	 return -1;
}

public static int partitionare(Vector<Integer> data, int indexStanga, int indexDreapta) {
	 int pivot = data.get(indexDreapta);
	 int i = indexStanga - 1;
	 for (int j = indexStanga; j < indexDreapta; j++) {
		 if(data.get(j) <= pivot) {
			 i++;
			 int temp = data.get(i);
			 data.set(i, data.get(j));
			 data.set(j, temp);
		 }
	 }
	 int temp = data.get(i+1);
	 data.set(i+1, data.get(indexDreapta));
	 data.set(indexDreapta, temp);
	 return i + 1;
}

public static void sortareRapida(Vector<Integer> data, int indexStanga, int indexDreapta) {
	 if(indexStanga < indexDreapta) {
		 int partitie = partitionare(data, indexStanga, indexDreapta);
		 sortareRapida(data, indexStanga, partitie -1);
		 sortareRapida(data, partitie + 1, indexDreapta);
	 }
}

public static void metrice(Date start, Date stop) {
	 SimpleDateFormat sdf = new SimpleDateFormat("mm:ss.SSS");
	 Date diff = new Date(stop.getTime() - start.getTime());
	 String timp = sdf.format(diff);
	 System.out.println("timp executie: " + timp);
}

public static void main(String[] args){
	 try {
		 Date start = new Date();
		 Vector<Integer> linii = citireFisier("I:\\input.txt");
		 int indexStanga = 0;
		 int indexDreapta = linii.size() - 1;
		 int valoareCautata = 650963;
		 sortareRapida(linii, indexStanga, indexDreapta);
		 int index = cautareBinara(linii,valoareCautata,indexStanga, indexDreapta);
		 System.out.println("cautare binara, index = " + index);
		 Date stop = new Date();
		 metrice(start, stop);
	 }catch(Exception ex) {
		 ex.printStackTrace();
	 }
}
}