{
int aCounter=0;
for(int count = 0; count < str.length();count++)
{
if(str.charAt(count).equals("a"))
{
aCounter++;
}
}
return aCounter;
}
IDE显示:
--------------------Configuration:
G:\Counter.java:28: error: char cannot be dereferenced
if(str.charAt(count).equals("a"))
^
1 error
Process completed.