# Problem in Array

Hi, Can you help me with this problem? Run a program that check if the input string contains equal number of A's and B's. October 20, 2012 at 4:51 PM

Here is an example that check if the input string contains equal number of A's and B's.

```class  StringEx
{
public static void main(String[] args)
{
String st="ABRA KA DABRA";
int countA=0,countB=0;
for(int i=0;i<st.length();i++){
char ch=st.charAt(i);
if(ch=='A'){
countA++;
}
if(ch=='B'){
countB++;
}
}
if(countA==countB){
System.out.println("No of A's and B's are equal in string");
}
else{
System.out.println("No of A's and B's are not equal in string");
}
}
}
``` October 20, 2012 at 8:26 PM

thank you so much for quick response.very big help

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