docsallover

public class Box<T> {
    private T t; // T is a placeholder for the type of object the box holds

    public void set(T t) {
        this.t = t;
    }

    public T get() {
        return t;
    }

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import java.util.ArrayList;
import java.util.List;

public class GenericsExample {
    public static void main(String[] args) {
        // Create a type-safe List using generics
        List<String> list = new ArrayList<String>();
        
        // Add a String
        list.add("Hello, World!");

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import java.util.ArrayList;

public class PreGenericsExample {
    public static void main(String[] args) {
        // Create a raw ArrayList (no specified type)
        ArrayList list = new ArrayList();
        
        // Add a String and an Integer to the same list
        list.add("Hello, World!");
        list.add(123); // The compiler allows this!

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INSERT OVERWRITE TABLE monthly_page_views
PARTITION (year, month)
SELECT
    page_view,
    COUNT(*) AS view_count,
    YEAR(FROM_UNIXTIME(request_timestamp)) AS year,
    MONTH(FROM_UNIXTIME(request_timestamp)) AS month
FROM raw_web_logs
GROUP BY
    page_view,

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SELECT
    page_view,
    COUNT(*) AS page_views
FROM raw_web_logs
GROUP BY page_view
ORDER BY page_views DESC
LIMIT 10;

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CREATE EXTERNAL TABLE IF NOT EXISTS raw_web_logs (
    request_timestamp BIGINT,
    ip_address STRING,
    user_agent STRING,
    page_view STRING
)
ROW FORMAT DELIMITED
FIELDS TERMINATED BY ','
LOCATION '/user/data/raw/weblogs/';

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-- Create a table with a schema
CREATE TABLE IF NOT EXISTS web_logs (
    timestamp BIGINT,
    ip_address STRING,
    user_agent STRING,
    page_view STRING
)
ROW FORMAT DELIMITED
FIELDS TERMINATED BY ','
STORED AS TEXTFILE;

docsallover

<template>
  <div>
    <h1>Welcome to the Home Page</h1>
    <p>This is the main content of our single-page application.</p>
    
    <hr>
    
    <h2>A Simple Counter</h2>
    <p>Current count: {{ count }}</p>
    <button @click="increment">Increment</button>

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<template>
  <nav>
    <router-link to="/">Home</router-link> |
    <router-link to="/about">About</router-link>
  </nav>
  <router-view></router-view>
</template>

<script setup>
</script>

docsallover

import { createApp } from 'vue'
import App from './App.vue'
import router from './router'

createApp(App).use(router).mount('#app')