Java - JAVA - Declarar un control Swing Generico

import javax.swing.*;

public class Control {

    private JTextField jtxt;

    private JLabel lb;

    private JCheckBox jchb;

    private JComboBox<Integer> jcom;

    Control(){

    this.jtxt = new JTextField();

    this.lb = new JLabel();

    this.jchb = new JCheckBox();

    this.jcom = new JComboBox<Integer>();

    }

	public JTextField getJtxt() {

		return jtxt;

	}

	public void setJtxt(JTextField jtxt) {

		this.jtxt = jtxt;

	}

	public JLabel getLb() {

		return lb;

	}

	public void setLb(JLabel lb) {

		this.lb = lb;

	}

	public JCheckBox getJchb() {

		return jchb;

	}

	public void setJchb(JCheckBox jchb) {

		this.jchb = jchb;

	}

	public JComboBox<Integer> getJcom() {

		return jcom;

	}

	public void setJcom(JComboBox<Integer> jcom) {

		this.jcom = jcom;

	}

}