Java String getChars() con ejemplos

El método java string getChars() copia los caracteres de la string dada en la array de caracteres de destino .
Sintaxis: 
 

public void getChars(int srhStartIndex, 
int srhEndIndex, char[] destArray, int destStartIndex)     
Parameters:
srhStartIndex : Index of the first character in the string to copy. 
srhEndIndex : Index after the last character in the string to copy.
destArray : Destination array where chars will get copied.
destStartIndex : Index in the array starting from where the chars
                 will be pushed into the array.
Return: It does not return any value.

Excepción: StringIndexOutOfBoundsException: si srhStartIndex, srhEndIndex no están en el rango adecuado.
Ejemplo: Para mostrar el funcionamiento del método  getChars()
 

// Java program to demonstrate
// working of getChars() method
 
class Gfg1 {
    public static void main(String args[])
    {
        String str = "Welcome! to GeeksforGeeks";
 
        char[] destArray = new char[20];
        try {
            str.getChars(12, 25, destArray, 0);
            System.out.println(destArray);
        }
        catch (Exception ex) {
            System.out.println(ex);
        }
    }
}

Producción: 
 

GeeksforGeeks

// Java program to demonstrate
// exception condition in
// working of getChars() method
 
class Gfg2 {
    public static void main(String args[])
    {
        String str = "Welcome! to GeeksforGeeks";
 
        char[] destArray = new char[20];
        try {
            // Starting index 0 and ending index 24
            str.getChars(12, 26, destArray, 0);
            System.out.println(destArray);
        }
        catch (Exception ex) {
            System.out.println(ex);
        }
    }
}

Producción: 
 

java.lang.StringIndexOutOfBoundsException: String index out of range: 26