compare string in java not equal code example

Example 1: java string not equal

String name = "John"; 
 
// prints true to standard system output. 
System.out.print(!name.equals("Alex"));

Example 2: in java how to compare two strings

class scratch{
    public static void main(String[] args) {
        String str1 = "Nyello";
        String str2 = "Hello";
        String str3 = "Hello";

        System.out.println( str1.equals(str2) ); //prints false
        System.out.println( str2.equals(str3) ); //prints true
    }
}