Java

Here’s list of Questions & Answers on Java Programming covering 100+ topics:

Integer and Floating Data Types Character and Boolean Data Types Literals & Variables Type Conversions, Promotions and Castings Arrays Arithmetic Operators Bitwise Operators Relational Operators and Boolean Logic Operators Assignment Operators and Operator Precedence Control Statements Class Fundamentals & Declaring objects Introduction to Methods Constructors & Garbage Collection Overloading Methods & Argument Passing Access Control Arrays Revisited & Keyword static String Class Inheritance Method overriding The Object Class String Handling Basics Character Extraction String Comparison Searching & Modifying a String StringBuffer class StringBuffer Methods Packages Interfaces Java.lang Introduction Java.lang – Integer, Long And Character Wrappers Java.lang – Void, Process and System Class Java.lang – Object & Math Class Java.io Introduction Java.io Byte Streams Java.io Character Streams Serialization Serialization & Deserialization Networking Basics URL class HttpResponse & URLConnection Class networking – Server, Sockets & httpd Class networking – httpd.java Class networking – Datagrams Java.util – ArrayList Class Java.util – LinkedList, HashSet & TreeSet Class Java.util – Maps Java.util – Array Class Java.util – Vectors & Stack

Java.util – Dictionary, Hashtable & Properties Java.util – BitSet & Date class Methods Taking Parameters Exceptional Handling Basics Exceptions Types Throw, Throws & Nested Try isAlive(), Join() & Thread Synchronization Implementing Runnable interface for Threads Thread class Multithreading Basics Networking Basics Finally & Built in Exceptions Creating Threads Input & Output Basics Reading Console Input Writing Console Output Reading & Writing Files Applets Fundamentals Core Java API Packages Remote Method Invocation (RMI) Text Formatting Event Handling Basics ActionEvent & AdjustmentEvent Class ComponentEvent, ContainerEvent & FocusEvent Class MouseEvent, TextEvent & WindowEvent Class Event Listeners Interfaces Java.lang – Rounding Functions Java.lang – Miscellaneous Math Methods & StrictMath Class Java.lang – ThreadGroup class & Runnable Interface Java.lang – System Class Advance Java.lang – Double & Float Wrappers Java.lang – Byte & Short Wrappers Java.lang – Character Wrapper Advance Java.lang – Boolean Wrapper Advance Java.lang – Runtime & ClassLoader Classes java.lang – Class Collection Framework Overview Collections Interface Collection Algorithms Iterators Locale & Random Classes Observable & Timer Class Restrictions On Generics Wildcards Recursion Command Line Arguments Inheritance – Abstract Class and Super Try & Catch Creating Exceptions Generics Generic Methods Type Interface