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public static void main(String[] args) {
Map<String, String> map = new HashMap<String, String>();
map.put("1", "a");
ShowMap(map);
}
public static void ShowMap(Map<String, String> map){
for(Map.Entry<String, String> entry: map.entrySet()){
System.out.println(entry.getKey()+"="+entry.getValue());
}
}
public static void toString(Map map){
Set<Entry<String, String>> s=map.entrySet();
Set<String> r=map.keySet();
for(Entry<String, String> en:s){
System.out.println(en.getKey()+","+en.getValue());
}
}