Trimming Trailing Whitespace from user input

1. How do I get rid of whitespace trailing?
2. How do I remove spaces from input field in HTML?

How do I get rid of whitespace trailing?

To remove leading and trailing spaces in Java, use the trim() method. This method returns a copy of this string with leading and trailing white space removed, or this string if it has no leading or trailing white space.

How do I remove spaces from input field in HTML?

Approach 1: We can remove space between any two tags by simply using margin-bottom property. The margin-bottom property sets the bottom margin of an element. We will assign a negative value to the margin-bottom of a particular tag to eliminate the extra space between the tags as shown.