Java na velká písmena metoda

Příklady kódu

5
0

N

"Hello World".toUpperCase()
3
0

N

string s="hello";
s = Character.toUpperCase(s.charAt(0)) + s.substring(1);
The output will be: Hello
0
0

N

public class Guru99 {   
    public static void main(String args[]) {       
        String S1 = new String("minúsculas convertidas en mayúsculas");       
 
        // Convertir a UpperCase    
        System.out.println(S1.toUpperCase());   
    }
}

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