Java toUpperCase () method

Java Character class

toUpperCase () method is used to lowercase characters converted to uppercase.

grammar

char toUpperCase(char ch)

parameter

• ch - the character to be converted.

return value

After returning to convert uppercase characters, if any; otherwise the character itself.

Examples

public class Test {

	public static void main(String args[]) {
		System.out.println(Character.toUpperCase('a'));
		System.out.println(Character.toUpperCase('A'));
	}
}

The above program execution results:

A
A

Java Character class