public static void main(String[] args) {
Map map1 =new HashMap<>();
map1.put("key1",1);
map1.put("key2",2);
map1.put("key3",3);
for (String key : map1.keySet()) {
System.out.println(key);
System.out.println(map1.get(key));
if(key.equals("area")){
}
}
}
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