To set warning action to a button in Bootstrap, use the .btn-warning button. You can try to run the following code to implement btn-warning buttonExampleLive Demo           Bootstrap Example                                 Click below if you want to know the warning message:       Warning    

Use the .btn-success class in Bootstrap to set a positive action to an element. You can try to run the following code to implement the .btn-success class −ExampleLive Demo           Bootstrap Example                                 The following are FMCG companies:                ITC Limited          Nestle          Britannia Industries Limited             Click below if the above list is correct:       Success    

To create a large button, use the .btn-lg class in Bootstrap.You can try to run the following code to implement the .btn-lg class −ExampleLive Demo           Bootstrap Example                                 The following are FMCG companies:                ITC Limited          Nestle          Britannia Industries Limited          

Use the .btn-group-vertical class in Bootstrap to make a button group appear vertically stacked.You can try to run the following code to implement a .btn-group-vertical classExampleLive Demo           Bootstrap Example                                 The following are the car brands:                BMW          Audi          Jeep          Datsun          Toyota             The following are FMCG:                ITC Limited          Colgate-Palmolive          Nestle          Britannia Industries Limited          

To create a large button group in Bootstrap, use the .btn-group-sm class.ExampleLive Demo           Bootstrap Example                                 The following are the car brands:                BMW          Audi          Jeep          Datsun          Toyota             The following are FMCG:                ITC Limited          Colgate-Palmolive          Nestle          Britannia Industries Limited          

To add heading container to the panel in Bootstrap, use the .panel-heading classExampleLive Demo           Bootstrap Example                                                       Panel heading                                 Panel content                    

Add footers to panel using the .panel-footer class.You can try to run the following code to set footer to panel −ExampleLive Demo           Bootstrap Example                                                       Panel heading                                 Panel content                                 Panel content                                 Panel footer                    

Use the .btn-default class in Bootstrap to create a default button.You can try to run the following code to implement a .btn-default classExampleLive Demo           Bootstrap Example                                 Cick the below button in case of issues:                Danger             Cick the below button if everything is fine:                Next          

To create a button in Bootstrap indicating danger, use the .btn-danger class.You can try to run the following code to implement. btn-danger class −ExampleLive Demo           Bootstrap Example                                 Cick the below button in case of issues:                Danger          

Include list groups within any panel. Create a panel by adding class .panel to the element. Also, add class .panel-default to this element. Now within this panel include your list groups.You can try to run the following code to set panel with list groups −ExampleLive Demo           Bootstrap Example                                          Panel heading                       The following is a list of topics in Java.                                 Java Interfaces             Java Packages             File Handling in Java