string comparison in java

import java.lang.*;
import java.io.*;

public class

CompareString

{
public static void main(String[] args) throws IOException{
System.out.println(

"comparison of string"

!);
BufferedReader bf =
new BufferedReader(new InputStreamReader(System.in));
System.out.println(

"Enter first string:"

);
String str1 = bf.readLine();
System.out.println(

"Enter second string:"

);
String str2 = bf.readLine();
if (str1.equals(str2)){
System.out.println(

"string is equals"

);
}
else{
System.out.println(

"string is not equals"

);
}
}
}

Out put of program

"comparison of string!"

"Enter first string:"

test

"Enter second string:"

test

"string is equals"

"comparison of string!"

"Enter first string:"

test

"Enter second string:"

Test

"string is not equals"