Java: Convert String to a character

Following snippet converts the string to a character.

public static char getChar(String str) {

         if (str == null || str.length() > 1) {

                  throw new IllegalArgumentException("String must not be null and has length 1");

         }

         return str.charAt(0);

}

App.java

package com.sample.app;

public class App {

	public static char getChar(String str) {
		if (str == null || str.length() > 1) {
			throw new IllegalArgumentException("String must not be null and has length 1");
		}

		return str.charAt(0);
	}

	public static void main(String args[]) {

		char ch = getChar("A");

		System.out.println("ch : " + ch);
	}

}

Output

ch : A

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