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Java String toUpperCase() Method

❮ String Methods


Example

Convert a string to upper case and lower case letters:

String txt = "Hello World";
System.out.println(txt.toUpperCase());
System.out.println(txt.toLowerCase());

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Definition and Usage

The toUpperCase() method converts a string to upper case letters.

Note: The toLowerCase() method converts a string to lower case letters.


Syntax

public String toUpperCase()

Parameters

None.

Technical Details

Returns: A String value, representing the new string converted to upper case

❮ String Methods