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package collection;

import java.util.HashMap;

import java.util.Map;

/**

* @version 2017/11/3.

*/

public class HashMapLearn {

public static void main(String[] args) {

Map<String, String> m = new HashMap<>();

m.put("key1", "value1");

for(int i=1;i<16;i++){

m.put("key" + i, "value" + i);

}

}

}