题解 | #map简单应用#
map简单应用
http://www.nowcoder.com/practice/7a47e465315c40848d5daba676f9ac29
//write your code here......
for (Map.Entry<Integer, String> entry : map.entrySet()) {
System.out.println(entry.getKey() + ":" + entry.getValue());
}
System.out.println();
map.put(5,name);
map.remove(4);
map.replace(3,"Tommy");
for (Map.Entry<Integer, String> entry : map.entrySet()) {
System.out.println(entry.getKey() + ":" + entry.getValue());
}
