[Demonstration 1]

[Buggy Method]
private void CheckStatus() {
    // 10-20 чутка
    // 150 - лучевая болезнь
    // 400 - смерть
    if (this._countRad <= 20) {
        this.set_status(StatusLife.LIFE);
    } else if ((this._countRad > 20) && (this._countRad <= 150)) {
        this.set_status(StatusLife.ILL);
    } else if ((this._countRad > 150) && (this._countRad <= 400)) {
        this.set_status(StatusLife.RADSIC);
    } else if (this._countRad >= 400) {
        this.set_status(StatusLife.DEAD);
    }
}

[Buggy Hunk]
}else if ((this._countRad > 150) && (this._countRad <= 400)) {

[Patch]
}else if ((this._countRad > 150) && (this._countRad < 400)) {

[Demonstration 2]

[Buggy Method]
private void restoreCommandText() {
    commandTextField.setText(previousCommandTest);
}

[Buggy Hunk]
commandTextField.setText(previousCommandTest);

[Patch]
commandTextField.setText(previousCommandText);