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Features of java
Operators :- Unary operator, Arithemetic operators, relational operators, logical operator, assignment operator, ternary operator etc.
Keywords :- reserved keywords
Control Statement :- if statement, if-else statement, nested if, else-if ladder, Switch statement, for loop, while loop, do-while loop, break and continue .
Array :- declaration , initialization, single dimensional, multidimensional ,programs
String :- String Literal, String object using new keyword, String methods, programs of String
Mutable String :- StringBuffer and StringBuilder
Java OOPs concepts :- Object, Class, Inheritance, Polymorphism, Abstraction, Encapsulation
Inheritance :- single inheritance, Multi-level Inheritance, Hierarchical Inheritance (Multiple and Hybrid not supported), Aggregation( Has-A relationship)
Polymorphism :- Runtime Polymorphism, Upcasting, method overriding, Super keyword, final keyword,
examples of polymorphism.
Abstraction :- Abstract class, Interface, Abstract vs Interfaces etc.
Encapsulation :- why need, how to achieve examples
Exception Handling :- Java Exception(types of exceptions), try-catch block, multiple catch block, nested try, finally block, throw keyword, throws keyword, throw vs throws, final vs finally vs finalize.
Multithreading :- Multitasking(process-based and thread- based), Thread class, Thread methods, Life cycle of Threads, how to create thread, Synchronization in multithreading.
Multithreading :- Multitasking(process-based and thread- based), Thread class, Thread methods, Life cycle of Threads, how to create thread, Synchronization in multithreading.
Collection Framework :- Collection, List, Queue, Set, Map, HashMap, working of HashMap, LinkedHashMap, TreeMap, Hashtable, EnumSet, EnumMap, Collections class, Comparable interface, Comparator interface, Properties class, Java Vector, Java Stack, Iterator interface, Deque interface etc