publicclassTestFor{publicstaticvoid main(String args[]){for(int i =0; i < 10; i++){System.out.println(i);}}}publicclassTestWhile{publicstaticvoid main(String args[]){int i =0;while(i <10){System.out.println(i); i++;}}}原文：http://www.cnblogs.com/arroneve/p/5815417.html