java string not equal

Code Example 1

// Int version
int i = 2;
if (i != 3) {}

// String version
String s = "a";
if(!s.equals("b")) {}

Code Example 2

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

Code Example 3

if (!"success".equals(statusCheck))