数组

类型初始化 / 集合

import java.util.*;

//Array of integer
int[] primeNumbers = { 2, 3, 5, 7, 11, 13, 17, 19 };

//Array of string
String gameList[] = { "soccer", "hockey", "basketball" };

//Array of Employee class (another way)
Employee[] employees = {
    new Employee("Anton", "Pavlov"),
    new Employee("Elena", "Kirienko")
};

System.out.println(Arrays.toString(primeNumbers));
System.out.println(Arrays.toString(gameList));
System.out.println(Arrays.toString(employees)); 

class Employee {
    public String firstName;
    public String lastName;

    public Employee(String firstName, String lastName)
    {
        this.firstName = firstName;
        this.lastName = lastName;
    }
}