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JAVA: Concept Learning Code Sheets
Resolving Class and Local Variable Name Clash #3871  (20-Mar-2018)
In Topic(s) : Data Types Variables and Constants   

Methods to rightly use variable names when their names clash between class/static types and local types.


Variable Default Values #3867  (20-Mar-2018)
In Topic(s) : Data Types Variables and Constants   

Java class variables have default values. Let us experiment with that.



Variable Declaration and Initialisation #3862  (20-Mar-2018)
In Topic(s) : Data Types Variables and Constants   

Variable declaration and initialisation varieties are explained here.


Understanding Reference data type #3859  (20-Mar-2018)
In Topic(s) : Data Types Variables and Constants   

Reference data type for class object reference and array reference.



Understanding char data type #3848  (19-Mar-2018)
In Topic(s) : Data Types Variables and Constants   

The java char data type and its possible values are explained here.


Understanding byte, short, int and long types #3846  (19-Mar-2018)
In Topic(s) : Data Types Variables and Constants   

Different types of integer data types with its maximum and minimum value limits are explained with this code.


Understanding double and float data type #3840  (19-Mar-2018)
In Topic(s) : Data Types Variables and Constants   

Double and float data type declaration its max value and sizing.


Boolean Literals #3822  (13-Mar-2018)
In Topic(s) : Tokens Keywords Identifiers Literals   

Use of boolean literals.


String Literals #3818  (12-Mar-2018)
In Topic(s) : Tokens Keywords Identifiers Literals   

Use of string literals as chain of normal alphabets, unicode characters, octal characters, escape sequences etc.


Null Literal #3814  (12-Mar-2018)
In Topic(s) : Tokens Keywords Identifiers Literals   

Use of a special case of using null as a literal for nullifying a reference.


Character literals #3808  (11-Mar-2018)
In Topic(s) : Tokens Keywords Identifiers Literals   

Use of character literals as direct character assignment, unicode assignment or octal assignment.


Decimal literals float, double #3804  (11-Mar-2018)
In Topic(s) : Tokens Keywords Identifiers Literals   

Use of decimal/fractional/real literals in its different size as float and double.



Identifier Choices #3798  (10-Mar-2018)
In Topic(s) : Tokens Keywords Identifiers Literals   

Making Identifier name choices.




Auto conversion, Widening Type Promotion or Implicit Casting #3787  (6-Mar-2018)
In Topic(s) : Operators (Arithmetic-Assignment-Unary-Relational-Logical)   

Understanding rules of widening type promotions from byte->short->int->long->float->double.







Java Statement Types #3755  (5-Mar-2018)
In Topic(s) : Expressions Statements and Formula Based Calculations   

Demonstration of different types of java statements.


: Quiz
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