java - What does this section of code do -


Can anyone explain what this code is and what is this doing? Thanks! 

 for  (int i = 2; i & lt; = max; i ++) {counter = 0; (For int n = 2; n & lt; i; n ++) {if (i% n == 0) {counter ++; }} If (counter == 0) {System.out.println (i); }}

Principal numbers between 2 and maximum of its printing

< P> This works as below: 

  starts with 2 with me and checks every time every step that is less than every element (so if I am 5, check with 2,3,4) which is divided by number I and if this counter increases. If counter 0 is, print that number

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