遍历集合的常见的集中方法(二)

2014-11-24 08:41:44 · 作者: · 浏览: 4
rint("value=" + m.get(p) + " ");
}
// System.out.println(m.get("sa"));
Iterator it2 = m.entrySet().iterator(); // Map集合的迭代方法二entrySet迭代
System.out.println();
System.out.println("长度为" + m.entrySet().size());
String key;
String value;
while (it2.hasNext()) {
Map.Entry entry = (Map.Entry) it2.next();
key = entry.getKey().toString();
value = entry.getValue().toString();
System.out.print(key + "=" + value + " ");
}
System.out.println();
System.out.println("------------------");
for (Map.Entry entry : m.entrySet()) { // // Map集合的迭代方法三for循环迭代
System.out.print(entry.getKey() + "=" + entry.getValue() + " ");
}
}
}
作者:javahuangfang