Java String toUpperCase() Method
Example
Convert a string to upper case and lower case letters:
public class MyClass {
public static void main(String[] args) {
String txt = "Hello World";
System.out.println(txt.toUpperCase());
System.out.println(txt.toLowerCase());
}
}
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
