Java - Write code to check if a char is Upper English Character

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Requirements

Write code to check if a char is Upper English Character

Demo

//package com.book2s;

public class Main {
    public static void main(String[] argv) {
        char chr = 'a';
        System.out.println(isUpperEnglishCharacter(chr));
    }//w w w .  ja va 2  s .c  om

    public static boolean isUpperEnglishCharacter(char chr) {
        int upperStart = 65;//'A'
        int upperEnd = 90;//'Z'
        int code = (int) chr;
        return code >= upperStart && code <= upperEnd;
    }
}