import ballerina/io;

public function main() {
    io:println("Hello, World!");
}

import ballerina/io;

public function main() {
    int a = 10;
    int b = 20;
    io:println(a + b);
}

import ballerina/io;

public function main() {
    int[] arr = [1, 2, 3, 4, 5];
    arr[2] = 10;
    io:println(arr);
}

import ballerina/io;

public function main() {
    worker w1 {
        io:println("Worker 1");
    }
    worker w2 {
        io:println("Worker 2");
    }
}

public type Student object {
    public int age = 0;
    public string name = "";

    public function init(string name, int age) {
        self.name = name;
        self.age = age;
    }
};

import ballerina/io;

public function main() {
    int[] arr = [1, 2, 3, 4, 5];
    int[] arr2 = arr.filter(function (int value) returns boolean {
        return value % 2 == 0;
    });
    io:println(arr2);
}