[Demonstration 1]

[Buggy Method]
public static String getValueByKey(String InfoServer, String key) {
    String[] lines = StringUtil.splitByLineRemoveEmpty(InfoServer);
    for (String line : lines) {
        line = line.trim();
        if (line.startsWith(key, key.length())) {
            String[] keyAndVal = StringUtil.splitRemoveEmpty(COLON_SPLITTER, line);
            return keyAndVal[1];
        }
    }
    return null;
}

[Buggy Hunk]
if(line.startsWith(key, key.length())) {

[Patch]
if(line.startsWith(key)) {

[Demonstration 2]

[Buggy Method]
public static void registerToolProviders() {
    if (Mods.API.hasVersion(Mods.API.OpenComputersInternal, "[5.1.1,)")) {
        registerToolProvider(new ToolProviderOC());
    }
    if (Mods.API.hasAPI(Mods.API.BuildCraftTools)) {
        registerToolProvider(new ToolProviderBuildCraft());
    }
    if (Mods.API.hasAPI(Mods.API.EnderIOTools)) {
        registerToolProvider(new ToolProviderEnderIO());
    }
    if (Mods.API.hasAPI(Mods.API.CoFHItems)) {
        registerToolProvider(new ToolProviderCoFH());
    }
    if (Mods.isLoaded(Mods.AE2)) {
        registerToolProvider(new ToolProviderAE2());
    }
    if (Mods.isLoaded(Mods.Mekanism)) {
        registerToolProvider(new ToolProviderMekanism());
    }
}

[Buggy Hunk]
if(Mods.API.hasVersion(Mods.API.OpenComputersInternal, "[5.1.1,)")) {

[Patch]
if(Mods.hasVersion(Mods.API.OpenComputersInternal, "[5.1.1,)")) {

[Demonstration 3]

[Buggy Method]
public void setLevel(UUID playerUUID) {
    Player player = plugin.getServer().getPlayer(playerUUID);
    if (player == null) {
        // Player is offline...
        return;
    }
    // The default team name is their own name
    String teamName = player.getName();
    String level = plugin.getPlayers().getIslandLevel(playerUUID).toString();
    Team team = board.getTeam(teamName);
    if (team == null) {
        //Team does not exist
        team = board.registerNewTeam(teamName);
    }
    // Add the suffix
    team.setSuffix("(" + level + ")");
    //Adding player to team
    team.addPlayer(player);
    // Assign scoreboard to player
    player.setScoreboard(board);
}

[Buggy Hunk]
team.setSuffix("("+level+")");

[Patch]
team.setSuffix(Settings.teamSuffix.replace("[level]",String.valueOf(level)));