public static void main(String[] args){
Collection<String> c = new ArrayList<>();
c.add("hello");
c.add("world");
c.add("java");
c.add("javaee");
Iterator<String> it = c.iterator();
while (it.hasNext()) {
String s = it.next();
System.out.println(s);
}
Iterator<String> ite = c.iterator();
while(ite.hasNext()){
String s = ite.next();
if("java".equals(s)){
ite.remove();
}
}
System.out.println(c);
}
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