how to loop through all objects in java code example

Example: java go troght loop object

import java.util.List;
import java.util.ArrayList;

List<String> list = new ArrayList<>();

list.add("first");
list.add("last");

for(String s : list) {
  if (s != null) {
    //do whaterver wanted
    // example:
    System.out.println(s);
  }
}