Main.java

public class Main {
    
    public static void main(String... args) {
        
        long someUnbelievableLongValue = 1_000_000_000L;
        System.out.println(
            "My Long value is 1000000000" + 
        (1000000000L == someUnbelievableLongValue? "==" : "!=") +
            "1_000_000_000"
        );        
    }
    
}