Introduction to Java
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History.
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Object oriented features.
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How to program and run on java.
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How to install JDK.
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Sample program.
Primitive Data Types
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Introduction.
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Default values provided.
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Wrapper classes.
Variables
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Types of variables.
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Depending on place of declaration.
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Depending on data type.
How to Create an Object
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General Syntax.
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Steps Involved in creating an object.
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Garbage collection.
Encapsulation
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Definition and explanation.
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Understanding the business problem or need.
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Examples.
Class and an Object
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What is a class and an object
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Need to create a class and how to create a class.
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Need to create an object and how to create an object.
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Properties of an object.
Constructor
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What is a constructor?
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Where and how to use a constructor.
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Types of constructors.
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Why Constructor overloading and chaining.
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Constructor overloading with examples.
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Constructor chaining with examples.
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Use of ‘this’ keyword.
Static Block
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Static Initializer
Packages
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What is a package?
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Why package?
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Different types of packages
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User defined packages
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