and of two operators in java code example

Example 1: java or

int num = 9;

if (num == 1 || num == 2) {
  System.out.println("Nope");
  }

if (num == 1 || num == 9) {
  System.out.println("Yep");
  }

Example 2: java not equal to

if(5 != 4) // != means "not equal to"
  	return true;