how to centre text in a jlabel code example

Example 1: center justify jlabel

import javax.swing.SwingConstants;
import javax.swing.JLabel;

Jlabel label1 = new Jlabel("Test");
label1.setHorizontalAlignment(SwingConstants.CENTER);
//Can also use SwingConstants.LEFT & .RIGHT

Example 2: how to set jlabel in center

jLabelvariable.setLocation((this.getWidth()-jLabelvariable.getWidth())/2,50);