how iterate map in java code example

Example 1: java foreach map

map.forEach((k, v) -> System.out.printf( " %s : %d \n" , k,v) );

Example 2: iterate through map

//traditional way (long)
for(map<string,int>::iterator it=m.begin(); it!=m.end(); ++it)
	if(it->second)cout<<it->first<<" ";
//easy way(short) just works with c++11 or later versions
for(auto &x:m)
	if(x.second)cout<<x.first<<" ";
//condition is just an example of use