Frequency of greatest Number in a given String

import java . util .Scanner;
class FrequencyofgreatestNumber{
static void acceptData(){
String str="";
System.out.println("Enter the String ::");
Scanner in = new Scanner(System.in);
str = in.nextLine();
int count = 0,max=0;
char ch[] = str.toCharArray();
int ch1[] = new int[ch.length];
int a[] = new int[ch1.length];
for(int i=0;i<ch.length;i++)
System.out.print(ch[i]);
for(int i=0;i<ch.length;i++)
{
ch1[i] = java.lang.Integer.parseInt(String.valueOf(str.charAt(i)));
}
for(int i=0;i<ch1.length-1;i++)
{
if(ch1[i]>ch1[i+1])
{
max = ch1[i];
ch1[i]= ch1[i+1];
ch1[i+1]=max;
}
}
for(int i=0;i<ch1.length;i++)
{
System.out.print(ch1[i]);
if(ch1[i]==max)
{
count++;
}
}
System.out.println("\nFrequency is ::"  + count);
}
public static void main(String args[]){
acceptData();
}
}