Keyword and Constructor in JAVA : Day 6

a) What is this Keyword?

b) Write any program using Parameter with Constructor.

Constructor in JAVA : Day 5

 a) What happened when a constructor initialized in an Object?

b) Write a program to find the volume of a Box. Use Constructor to initialize the dimensions of a Box. Compute and Return the result using Method.

Method with return type in JAVA : Day 4

a) How Method return a value? Write necessary Syntax.

b) Write any JAVA program that takes parameters in a Method.

Method in JAVA : Day 3

a) How to access the instance variable using Method?

b) Write a program to calculate the Volume of a Box using Method.

Object in JAVA : Day 2

a) What is Object? How to declare an Object in a JAVA program? Explain the Syntax of Object Declaration.

b) Write Syntax to assign an Object Reference Variable.

Class in JAVA : Day 1

  Explain the General Form of a Class.   --------------------------------------------------------------------------------------------------------------------------

Write a program to find the volume of a Box. Define only three instance variables: width, height and depth. Do not use Methods.

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package volbox;
class Bigbox
{
   double width;
   double depth;
   double height;
}
public class Volbox
{
  public static void main(String[] args)
  {
    Bigbox lbox=new Bigbox();
    lbox.width=15;
    lbox.depth=8;
    lbox.height=20;
    double vol=lbox.width * lbox.depth * lbox.height;
    System.out.println("Volume of box is:" +vol);
  }
}