Label class

Label class is used to create a label, which can be used to display a text information to the user or a text before the textfield or an image. Label is a component which extends JComponent class and it is added to the container like Frame or a component like Panel.

Constructors of Label

Constructor	Description
public Label()	Creates a Label with an empty text.
public Label(String text)	Creates a Label with an specified text.
*public Label(String text, int alignment)*	Creates a Label with an specified text and alignment.

Label's alignment could be any of these fields -

Label.RIGHT, to align a label to the right.
Label.CENTER, to align a label to the left
Label.LEFT, to align a label to the center.

Methods of Label class

Methods	Description
public void setText(String text)	Sets a String message on the Label.
public String getText()	Gets a String message of Label.
void setAlignment(int alignment)	Sets an alignment on this label.
void int getAlignment()	Gets the current alignment of this label

An example of Label

import javax.swing.*;
import java.awt.*;

public class LabelEx1
{
Frame jf;
Label label1, label2, label3;

LabelEx1()
{
jf = new Frame("Label example");

label1 = new Label("Hi!");
label2 = new Label("Bonjour, how are you?");
label3 = new Label("We wish you pleasant day ahead, Take care!");


label1.setText("Welcome and Hello!"); 	//Setting the text of a JLabal
jf.setLayout(new FlowLayout());
jf.add(label1);			//Adding label1 to the Jframe
jf.add(label2);			//Adding label2 to the Jframe
jf.add(label3);			//Adding label3 to the Jframe
jf.setVisible(true);
jf.setSize(300,300);
}

public static void main(String... ar)
{
new LabelEx1();
}

}

When you run the code, you are presented a window shown below -:

Figure 1

Setting the alignment of Label

import javax.swing.*;
import java.awt.*;

public class LabelEx2
{
Frame jf;
Label label1, label2, label3;

LabelEx2()
{
jf = new Frame("Label example");

label1 = new Label("NORTHEAST", Label.RIGHT);
label2 = new Label("SOUTHWEST", Label.LEFT);
label3 = new Label("CENTRAL", Label.CENTER);

//("Hello!"); 	//Setting the text of a JLabal
jf.add(label1, BorderLayout.NORTH);			//Adding label1 to the Jframe
jf.add(label2, BorderLayout.SOUTH);			//Adding label2 to the Jframe
jf.add(label3, BorderLayout.CENTER);			//Adding label3 to the Jframe
jf.setVisible(true);
jf.setSize(300,300);
}

public static void main(String... ar)
{
new LabelEx2();
}

}

When you run the code, you are presented a window shown in the Figure2 below -:

Figure 2

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