class Person{
private String name;
private int age;
public Person(String name,int age){
this.name = name;
this.age = age;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
}
public class T {
public static void main(String[] args) {
//存放基本类型String
Set<String> set = new HashSet<String>();
set.add("a");
set.add("c");
set.add("b");
/**
* 迭代遍历
*/
Iterator<String> ite = set.iterator();
while(ite.hasNext()){
System.out.println(ite.next());
}
/**
* for循环遍历
*/
for(String str:set){
System.out.println(str);
}
//存放对象
Set<Person> sets = new HashSet<Person>();
sets.add(new Person("zhangsan",21));
sets.add(new Person("lisi",20));
sets.add(new Person("wangwu",22));
/**
* 迭代遍历
*/
Iterator<Person> i = sets.iterator();
while(i.hasNext()){
Person person = i.next();
System.out.println(person.getName()+","+person.getAge());
}
/**
* for循环遍历
*/
for(Person per:sets){
System.out.println(per.getName()+","+per.getAge());
}
}
}