unary increment doesn't work?

Question

public class Temp { 
public static  void main(String[] args) { 
   for (int i = 0; i < 10;){
       i = i++;
       System.out.println("Hello world");
   }   
 }
}

why i does not get increment as we are incrementing it still it does not get increment
as we can see in the for loop when we are doing post-increment it isnt working and it goes to infinite loop, when we are doing pre-increment i = ++i its working properly and even when we are doing like i = (i=i+1) here also it working
but not when we are doing post increment i is assign to i++ and that time value of i was 0 but immediately after it got increment by 1 than it should reflect on next loop iteration
why it is not reflecting?

First you evaluate `i`, then increment `i`, then assign the evaluated result (the first one) to `i` making it stay as it was. — Federico klez Culloca, Mar 06 '18 at 14:40

score 1 · Answer 1 · answered Mar 06 '18 at 14:40

1

i++ returns the original value of i (prior to the increment), so if you assign that value back to i, you revert i back to its original value.

You don't have to assign i++ or ++i to i.

answered Mar 06 '18 at 14:40

Eran

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unary increment doesn't work?

1 Answers1