Java String Trim Example

The string trim() method remove the blank spaces from the left and right in the given string.

Here is the example how to remove blank spaces :

import java.lang.*;
public class StringTrim{
public static void main(String[] args) {
System.out.println("Source code of String Trim Method");
String str = " blankspaces ";
System.out.println("Entered String :" + str);
System.out.println("Output of the Program :" +str.trim());
}
}

Display Time in JSpinner : Swing Examples

Spinner allow user to select and type the value from a range of values. It has no drop-down list and this reason it is different to combo box. Here is the example to display time in JSpinner and also edit the time :

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

public class ShowTimeJSpinner{
public static void main(String[] args) {
ShowTimeJSpinner h = new ShowTimeJSpinner();
}

public ShowTimeJSpinner(){
JFrame frame = new JFrame("JSpinner Time Example");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Date date = new Date();
SpinnerDateModel sm = new SpinnerDateModel(date, null, null, Calendar.HOUR_OF_DAY);
JSpinner spinner = new JSpinner(sm);
JSpinner.DateEditor de = new JSpinner.DateEditor(spinner, "hh:mm");
spinner.setEditor(de);
frame.add(spinner,BorderLayout.NORTH);
frame.setSize(100,100);
frame.setVisible(true);
}
}