Java

সূচনা

জাভার ইতিহাস why java is platform independent?  জাভার ভার্সন ইতিহাস Understanding Java Package জাভা দিয়ে কি কি অ্যাপ্লিকেশান করা যায়? .class file কিভাবে রিড করা যায়? জাভা অ্যাপ্লিকেশানের প্রকারভেদ Class & Object জাভার ফিচার System.out.println() What is JDK, JRE and JVM? How to Pass Current Object

সাধারণ আলোচনা

Pass by Value & Pass by Referrence Instacne & Parameter Ambiguity Covarient Return Variable Length Argument Type Casting Short Circuit Operator Static Import Encapsulation Method Declaration Signleton Pattern Field Parameter & Local Variable Is it possible Static Constructor

সাধারণ আলোচনা-০২

Memory Management  in java  Nested Class & Nested interface instanceOf Operator static member use with object visiblity modifier(public, protected, private, default, static, final)  factory pattern    compile time polymorphysm & runtime polymorphysm

Exception Handling

Exception Handling  Custom Exception Creation   Exception Printing Differentiate between throw & throws    Use of finally block Exception Propagration   throw & throws Exception Overridden Rules

Loop

normal / conventional for loop  iterator -> while loop use enhanced for loop / advanced for loop enameration

String Class

String Class  toString() String Pool String Operation

Inheritance

inheritance single class inherit but multiple interface prevent super class why java single inheritance supported?

Abstract Class + annonemous class + Interface + Serializable

abstract class interface extends multiple interface interface Marker interface nested interface ComparableInterface Annonemous class ComparatorInterface avap দিয়ে implicit idea clear করা।(public static abstract void play();) Serializable

I/O Fundamental

I/O fundamental Using properties file I/O stream

Collection Framework

Collection Framework basic  Map Set Vector

Generic Class

what is Generic & why? Wildcard Generic class, generic method, generic constructor Collections

Multithreading

Multithreading SetPriority() basic wait() & notify() Synchronized Simple project on Multithreading