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Core JAVA

Exception Handling in Java

December 26, 2018 basicittopic 0 Comments catch, Exception Handling, Exception Handling in Java, finally, throw, throws, try

Exception Handling It is a situation in which program terminates abnormally. In Java, an exception is divided into two categories:-

Core JAVA

File in JAVA

September 12, 2018 basicittopic 0 Comments FILE, File in JAVA

File in JAVA The file is a container which stores data permanently Data can be stored in two different ways

Core JAVA

String,String Buffer and String Builder in JAVA

August 7, 2018 basicittopic 0 Comments character array, string, string buffer, String Buffer and String Builder in JAVA, String Buffer and String Builder in JAVA with example, string builder

String, String Buffer and String Builder in JAVA:- String:- String is predefined final class present in the default package. As

Core JAVA

Array in JAVA

August 5, 2018August 7, 2018 basicittopic 0 Comments Array construction, Array Declaration, Array in JAVA, Array initialization, Jagged Array Program, Memory allocation, Multi-Dimensional Array program, Single dimensional array program, Types of array

Array in JAVA:- Array in Java is a collection of similar types of data store in sequential order. It is

Core JAVA

Uses of Super keyword in java

July 31, 2018August 3, 2018 basicittopic 4 Comments super, super keyword, super keyword in java

Working with super keyword:- Super keyword in java which can be used to solve 3 different problems. Super always refers

Core JAVA

Uses Of this keyword in java

July 23, 2018August 3, 2018 basicittopic 0 Comments this, this keyword, this keyword in java

Working with “this” keyword:- This keyword in java is a keyword which always refers to a current class object.T he

Core JAVA

Upcasting and Downcasting in java

July 21, 2018August 3, 2018 basicittopic 2 Comments Downcasting, upcasting, upcasting and downcasting in java

Upcasting and Downcasting:- (Upcasting and Downcasting ) Java support Run-time polymorphism with the help of method overriding. Method overriding only

Core JAVA

Polymorphism in JAVA

July 20, 2018August 3, 2018 basicittopic 0 Comments Constructor Overloading, Method Overloading, Method overriding, Overloading, Polymorphism, Restriction of method overriding:-, Runtime Polymorphism

Polymorphism in Java:- Polymorphism in Java is an object-oriented concept which is used to create different from a single resource.

Core JAVA

What is interface in JAVA ?

July 16, 2018August 3, 2018 basicittopic 0 Comments

Interface in JAVA:- An interface in Java is very similar to an abstract class. Both cannot be instantiated. It

Core JAVA

Inheritance in java

July 14, 2018August 3, 2018 basicittopic 0 Comments Hierarchical inheritance, Hybrid inheritance, inheritance, Multilevel inheritance, Multiple inheritance, Single inheritance

Inheritance Access the resources of the .class file after establish the relation is the concept of inheritance in java. Inheritance

Core JAVA

What is aggregation ?

July 14, 2018August 3, 2018 basicittopic 0 Comments aggregation, aggregation in java, java aggregation

Aggregation An aggregation is a special form of association. Access the resources of another .class file without creating any relation,

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Operating System

Transforming I/O request to Hardware Operations

February 16, 2019 basicittopic 0

Consider reading a file from disk for a process: Determine device holding file Translate name to device representation Physically read

Operating System

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