do-while in java

class dowhile
{
public static void main(String args[])
{
int i=1;
do{
System.out.println("welcone to world "+i);
i++;//increament
}while(i<=5);


System.out.println("\n\n\n\n");


do{
System.out.println("welcone to world "+i);
i--;//decreament
}while(i>=1);
}
}

//first execute the loop and next check the condition