Multithreading

Thread Thrills: Multithreading, Sync, and Advanced Tricks

Learning Outcome

5

Apply synchronization, understand daemon & lambda threads.

4

Use important thread methods 

3

Create threads using Thread class and Runnable interface.

2

Explain the thread life cycle and different thread states.

1

Understand the concept of multithreading

  • Encapsulation & Access Modifiers – Encapsulation bundles data and methods inside a class, while access modifiers control their visibility.
     

  • Exception Handling – Exceptions are handled using try-catch-finally blocks, with checked exceptions at compile time and unchecked at runtime.
     

  • Interfaces – Interfaces define abstract methods, and Runnable is an important interface used in multithreading.
     

  • Methods & Call Stack – Methods are reusable code blocks that execute when called, and the call stack manages their execution order.
     

  • Classes & Objects – A class is a blueprint for creating objects, and objects are created using the new keyword.

Before Starting ,Lets Recall

Imagine a busy restaurant kitchen during dinner rush...

One chef trying to cook everything alone 

chopping vegetables, boiling pasta, grilling, plating — customers would wait forever. Chaos. Delays. Complaints.

So what does the restaurant do?

All dishes get ready faster and efficiently.

 It hires multiple chefs, each handling a different task at the same time.

Transition from Analogy to Technical Concept(Slide 5)

Core Concepts (Slide 6)

Core Concepts (Slide 7)

Core Concepts (.....Slide N-3)

Summary

5

Synchronization avoids data conflicts

4

Thread methods control execution and coordination.

3

They can be created using the Thread class or Runnable interface.

2

Threads have different life cycle states from creation to termination.

1

Java multithreading runs multiple tasks at the same time

Quiz

Which method is used to start a new thread in Java?

A. run()

B. start()

C. sleep()

D. execute()

Which method is used to start a new thread in Java?

A. run()

B. start()

C. sleep()

D. execute()

Quiz-Answer

Java - Multithreading

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Java - Multithreading

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