April 05
Prde. Ismael H. F. Santos
- ismael@tecgraf.puc-rio.br
2
Exemplo
Map – foreach e autoboxing
nTabela
de frequencia de palavras
public class Freq {
public static void main(String[] args) {
Map<String,
Integer> m = new HashMap<String, Integer>();
for (String a : args) { // foreach e Autoboxing
!!!
Integer freq = m.get(a); m.put(a, (freq == null) ? 1 : freq +
1);
}
System.out.println(m.size() + "
distinct words:"); System.out.println(m);
}
}
n% java
Freq if it is to be it is up to me to delegate
8 distinct words:
{to=3, delegate=1, be=1, it=2, up=1, if=1, me=1, is=2}