[Demonstration 1]

[Buggy Method]
public static String HumanReadableByteCount(long bytes, boolean si) {
    int unit = si ? 1000 : 1024;
    if (bytes < unit)
        return bytes + " B";
    int exp = (int) (Math.log(bytes) / Math.log(unit));
    String pre = (si ? "kMGTPE" : "KMGTPE").charAt(exp - 1) + (si ? "" : "i");
    return String.format("%.1f %sB", bytes / Math.pow(unit, exp), pre);
}

[Buggy Hunk]
public static String HumanReadableByteCount(long bytes, boolean si) {

[Patch]
private static String HumanReadableByteCount(long bytes, boolean si) {

[Demonstration 2]

[Buggy Method]
@Override
public void onClick(View view) {
    switch(view.getId()) {
        case R.id.createAccount:
            int parsedBalance = (int) Math.floor(Integer.parseInt(balance.getText().toString()) * 100);
            if (editingAccount != null) {
                editingAccount.setName(name.getText().toString());
                editingAccount.setCurrency(currentCurrency.getCode());
                editingAccount.setBalance(parsedBalance);
                editingAccount.setSynced(false);
                editingAccount.save();
            } else {
                getMainApp().getDal().addAccount(name.getText().toString(), currentCurrency.getCode(), parsedBalance);
            }
            finish();
    }
}

[Buggy Hunk]
int parsedBalance = (int) Math.floor(Integer.parseInt(balance.getText().toString()) * 100);

[Patch]
int parsedBalance = (int) Math.floor(Float.parseFloat(balance.getText().toString()) * 100);

[Demonstration 3]

[Buggy Method]
public void sendSummary(List<String> summary, Chat chat, Message message, String link) {
    chat.sendMessage(SendableTextMessage.builder().replyTo(message).message(summaryMessage(summary, link)).disableWebPagePreview(true).build());
}

[Buggy Hunk]
chat.sendMessage(SendableTextMessage.builder().replyTo(message).message(summaryMessage(summary, link)).disableWebPagePreview(true).build());

[Patch]
chat.sendMessage(SendableTextMessage.builder().replyTo(message).message(summaryMessage(summary, link)).parseMode(ParseMode.HTML).disableWebPagePreview(true).build());