字符串大小写一起排序

//大小写一起排序A,a,B,b,……不能用现有的类 bymysele 通过测试
//a=97,z=122,A=65,Z=90
public class SortString{
    public static void main(String args[]){
        String[] array = {"ab","az","cc","bc","af","ACV"};
        //Arrays.sort(array);不能实现大小写混排
        //冒泡排序
        for(int i=0; i<array.length; i++){
            for(int j=0; j<array.length-i-1; j++){
                if(cmpString(array[j],array[j+1])==1){
                    String temp = array[j];
                    array[j] = array[j+1];
                    array[j+1] = temp;
                }
            }
        }    
        //打印结果
        for(int i=0; i<array.length; i++){
            System.out.println(array[i]);
        }
    }

        public static int cmpString(String s1, String s2){
        char s1_char[] = s1.toCharArray();
        char s2_char[] = s2.toCharArray();
        int length = s1_char.length <s2_char.length ? s1_char.length : s2_char.length ;
        for(int i=0; i<length; i++){
            if(cmpChar(s1_char[i],s2_char[i])==1){
                return 1;
            }
            if(cmpChar(s1_char[i],s2_char[i])==-1){
                return -1;
            }
        }
        return 0;
    }

    public static int cmpChar(char c1, char c2){
        if(c1>='a'&&c1<='z'){
            c1=(char)(c1-32);
        }
        if(c2>='a'&&c2<='z'){
            c2=(char)(c2-32);
        }
        if(c1>c2){
            return 1;
        }else if(c1==c2){
            return 0;
        }else{
            return -1;
        }
    }


}