Is it necessary to write else part , if we have written the else-if part, in Java?

Is it necessary to write else part , if we have written the else-if part, in Java?

for example

if(i>1){
   //some code here
}
else-if(i<1 && i>0){
      //some code here
}
else{
   //so in cases like this do we need to make, this else part??
}