Java String trim()

The java string trim() method eliminates leading and trailing spaces. The unicode value of space character is '\u0020'. The trim() method in java string checks this unicode value before and after the string, if it exists then removes the spaces and returns the omitted string.

The string trim() method doesn't omits middle spaces.

Internal implementation

Signature

The signature or syntax of string trim method is given below:

Returns

string with omitted leading and trailing spaces

Java String trim() method example

  hello string   javatpoint
hello stringjavatpoint   

Java String trim() Method Example 2

This example demonstrate the use of trim method. This method removes all the trailing spaces so the length of string also reduces. Let's see an example.

22
  hello java string   
17
hello java string