Java Programming Career Options for Students in Delhi NCR

import java.util.*;

public class CoreCheck {
    public static void main(String[] args) {
        List<String> cities = new ArrayList<>(List.of("Delhi", "Noida", "Gurugram", "Ghaziabad"));
        Collections.sort(cities);
        Map<Character, Integer> firstLetters = new TreeMap<>();
        for (String c : cities) {
            firstLetters.merge(c.charAt(0), 1, Integer::sum);
        }
        System.out.println(cities);
        System.out.println(firstLetters);
    }
}

Enjoy designing data and APIs?      -> Backend
Enjoy both screens and servers?     -> Full stack
Enjoy apps on your phone?           -> Android
Enjoy finding bugs and automating?  -> Test automation
Enjoy large datasets?               -> Data engineering (Java/Scala + Spark)

package com.example.library;

import org.springframework.web.bind.annotation.*;
import java.util.*;

@RestController
@RequestMapping("/api/books")
public class BookController {
    private final Map<Long, String> books = new HashMap<>(Map.of(1L, "Clean Code"));

    @GetMapping("/{id}")
    public String get(@PathVariable Long id) {
        return books.getOrDefault(id, "Not found");
    }

    @PostMapping
    public Long add(@RequestBody String title) {
        long id = books.size() + 1L;
        books.put(id, title);
        return id;
    }
}

import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;
import org.testng.Assert;
import org.testng.annotations.*;

public class HomePageTest {
    private WebDriver driver;

    @BeforeMethod
    public void setUp() { driver = new ChromeDriver(); }

    @Test
    public void titleContainsExample() {
        driver.get("https://example.com");
        Assert.assertTrue(driver.getTitle().contains("Example"));
    }

    @AfterMethod
    public void tearDown() { driver.quit(); }
}

# Library Management API
Tech: Java 21, Spring Boot, Spring Data JPA, MySQL, JUnit 5
Features:
- Add, search, issue and return books
- Overdue report with fines
- Input validation and error handling
Run: ./mvnw spring-boot:run
Tests: ./mvnw test
What I learned: JPA relationships, transactions, testing

Hi <Name>,
I'm a <year> B.Tech/BCA student in Delhi NCR focusing on
<backend / Android / automation> with Java.
Recent project: <name> (link) - <one-line result>.
I'd love to intern with your team this summer.
Thanks, <Your name>

Year 1: Programming basics + core Java syntax
Year 2: OOP, collections, DSA basics, SQL, Git
Year 3: Choose a path; 2 path projects; internship search
Year 4: Advanced path skills, final project, placements
Throughout: weekly coding practice + one hackathon a year

Mon/Wed/Fri: 1 hr core Java or DSA practice
Tue/Thu:     1 hr path skills (Spring / Android / Selenium)
Saturday:    3 hrs project work
Sunday:      1 hr review + plan
Keep a learning log on GitHub

Skill                    Comfortable?   Used in project?
OOP + collections        [ ]            [ ]
Exceptions + streams     [ ]            [ ]
SQL joins                [ ]            [ ]
Path tool 1              [ ]            [ ]
Path tool 2              [ ]            [ ]
Unit testing (JUnit)     [ ]            [ ]