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What is String.toUpperCase() in Java?
The toUpperCase() function converts a string to uppercase.
The following figure shows a visual representation of the toUpperCase() function.
Syntax
String toUpperCase()
// Usage
string_1.toUppercase()
Parameter
The toUpperCase() function does not require a parameter.
Return value
The toUpperCase() function returns a string that is converted to uppercase.
Code
class JAVA {public static void main( String args[] ) {String string="educative";String string_1="Educative09";//to uppercase stringSystem.out.println("string.toUpperCase():");System.out.println(string.toUpperCase());//to uppercase string and numberSystem.out.println("string_1.toUpperCase():");System.out.println(string_1.toUpperCase());}}
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