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String patternString = "([a-z0-9]+@[a-z0-9]+\\.[a-z]{2,6})";
class Person {
public String getName() { return this.name; }
}
Person mrHoang = new Person();
System.out.println(mrHoang.getName());
Person(String name, String email) {
this.name = name;
this.email = email;
{ name = ""; age = 18; }
@Override