Java - String Methods

Next, let us look at the methods provided by Java to handle Strings more effectively.

You can check the individual methods by clicking on it.

Method	Description
concat()	Used to concatenate two Strings.
length()	Used to find the length of a String.
charAt()	Return us the character of a String when supplied with index value.
replace()	Used to replace a String with some other String.
toLowerCase()	Used to convert all the letters of a String to lower case.
toUpperCase()	Used to convert all the letters of a String to upper case.
trim()	Used to remove unwanted characters from a String.
subString()	Used to fetch a chunk of letters from a String.