String toUpperCase() method in Java

String toUpperCase() method in Java

The toUpperCase()  method in Java converts all of the characters in this String to upper case using the rules of the default locale.

Syntax

Let us see the syntax,

Parameters

The method has no parameters.

Example

The following is an example of toUpperCase(),

Output

The following is the output,

Java string touppercase method

String toString() method in Java
String toUpperCase(Locale locale) method in Java
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