find the mistake

Question

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
public class ChQ1
{
public static void main(String args[])
{
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

int l=Integer.ParseInt(br.readLine[]);
int r=Integer.ParseInt(br.readLine[]);
int k=Integer.ParseInt(br.readLine[]);
int count=0;
if(1<l&&l<=r&&r<=1000&&1<=k&&k<=1000)
{
for(int i=1; i<=r; i++)
{
if(i%k==0)
{
count++;
}
}
System.out.println(count);
}

}

}
https://code.sololearn.com/cORlWDn1bR8L/?ref=app

Answer 1

It should be like this
Integer.parseInt(br.readLine());

Not square brac and parse first letter must be small also wrap your code with try block