or in a if statement java code example

Example 1: if statement in java

int x = 3;

if (x<=3){
	System.out.println("Hello World");
}

else {
	System.out.println("Bye World");
}

Example 2: if and in java

if(x == 1 && y == 2){
  println("x = 1 and y = 2");
}