boucle for avec un tableau java

1int tab[] = {1,2,3,4};
2for (int i : tab) {
3  systeme.out.println(i); //fct to print with eclipse
4}
5//console : 
61
72
83
94
10//same as
11for (int i = 0; i++; i < tab.lenght) {
12    systeme.out.println(i); //fct to print with eclipse
13}