Find a string in another string

class StringDemo18
{
static boolean find(String s1, String s2)
{
int i, j, count=0, substr=0;
for(i=0;i<s1.length();i++)
{
if(s1.charAt(i) == s2.charAt(0))
{
count = 0;
while(count<s2.length() && s1.charAt(i+count) == s2.charAt(count))
{
count++;
}
if(count == s2.length())
{
substr++;
}
}
}
if(substr>0)
return true;
else
return false;
}
public static void main(String... s)
{
System.out.println(find("i am an indian", "i"));
}
}