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31 lines (25 loc) · 836 Bytes
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packagech02;
importjava.util.ArrayList;
importjava.util.List;
publicclassGenericExample {
publicstaticvoidmain(String[] args) {
ListlistNames1 = newArrayList();
listNames1.add("카리나");
listNames1.add("윈터");
listNames1.add("지젤");
listNames1.add("닝닝");
Stringname0 = (String) listNames1.get(0);
listNames1.add(34);
// String name4 = (String) listNames1.get(4); // 에러 발생
// ---
List<String> listNames2 = newArrayList<String>();
listNames2.add("카리나");
listNames2.add("윈터");
listNames2.add("지젤");
listNames2.add("닝닝");
// listNames2.add(34); // 에러 발생
for (Stringname : listNames2) {
System.out.println(name);
}
}
}