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Foss : Java - English
Outline: Getting started with Java Installation * Install jdk from Synaptic Package Manager * Choose openjdk-6-jdk from the list of packages available * Mark it for installation ..
Outline: Java - First Program *write simple java program *print “My First Java Program!” on Console *save the file *file name given to the java file *compile the file *..
Outline: Installing Eclipse *Install Eclipse on Ubuntu on the Terminal *Set up the proxy on the Terminal *Then fetch the list of all the available softwares *Type sudo apt-get up..
Outline: Getting started with Eclipse *Eclipse is an Integrated Development Environment *It is a tool on which one can write, debug and run java programs easily *Open Dash Home and ..
Outline: HelloWorld in Java using Eclipse *Open Eclipse *Create a Java Project named DemoProject *Create a class named DemoClass *Class name and file name will be the same *Ecli..
Outline: Errors and Debugging *When writing a Java Program, here is a list of typical errors: *Missing semicolon(;) *Missing double quotes(".") *Mis-match of filename and classnam..
Outline: Programming features of Eclipse *Auto completion *Sets the corresponding closing brace when we open the brace *Provides a drop-down list of methods when you start typing th..
Outline: Arithmetic Operations *Define an operator *Define arithmetic operators *Addition *Subtraction *Multiplication *Division *Modulo *Simple program to demonstrate ari..
Outline: Numerical datatypes *define datatypes and numerical datatypes *int *float *byte *short *long *double *range of each numerical datatypes *declaration and initial..
Outline: Strings *char datatype *letter,digit,punctuation marks, tab, or space are all characters *Program explaining the variable and the character data *Introduction to strings ..
Outline: Creating Class *Whatever we can see in this world are all objects *Objects can be categorized into groups known as class *This is class in real world *Human Being is an e..
Outline: Creating Object *An object is an instance of a class *Each object consist of state and behavior *Object stores it state in fields or variables *It exposes its behavior th..
Outline: Instance fields *Also known as non-static fields *Open the TestStudent class which we have created *Access the fields roll_number and name using dot operator *See the out..
Outline: Methods *method definition * write simple method * method returning value * call a method in another method * flow of the program * call a static method ..
Outline: Default Constructor *what is a constructor? *what is a default constructor? *when is it called? *define a constructor *initialize the variables *call the constructor ..
Outline: Parameterized Constructor *What is a parameterized constructor? *create constructor without parameter *create a constructor with parameter *assign values to the variables..
Outline: Using this keyword *this is a reference to the current object *helps to avoid name conflicts *we can use this keyword inside a constructor to call another one *the constr..
Outline: Non-static block Any code written between two curly brackets Executed for each object that is created Executes before constructor's execution can initiali..
Outline: Constructor overloading *define multiple constructor * what is constructor overloading? *constructor with different number of parameters. *parameters with different datat..
Outline: Method overloading *define multiple methods. *methods with same name. *methods with different number of parameters. *methods with different datatypes of parameter. *wha..