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List<String> list =
new
ArrayList<String>();
list.add("item"
);
String item = list.get(0
);
Set<String> set = new
HashSet<String>();
set.add("item"
);
Map<String, Integer> map = new
HashMap<String, Integer>();
map.put("key"
,
1
);
int
value = map.get(
"key"
);
List<String> list = new ArrayList<String>();
list.add("item");
String item = list.get(0);
Set<String> set = new HashSet<String>();
set.add("item");
Map<String, Integer> map = new HashMap<String, Integer>();
map.put("key", 1);
int value = map.get("key");
Java7µÄ´úÂ룺
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copy to clipboard
print
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List<String> list = [
"item"
];
String item = list[0
];
Set<String> set = {"item"
};
Map<String, Integer> map = {"key"
:
1
};
int
value = map[
"key"
];
List<String> list = ["item"];
String item = list[0];
Set<String> set = {"item"};
Map<String, Integer>
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