Write a program to print the area of a rectangle by creating a class named 'Area' having two methods. First method named as 'setDim' takes length and breadth of rectangle as parameters and the second method named as 'getArea' returns the area of the rectangle. Length and breadth of rectangle are entered through keyboard. 4. Create a class named 'PrintNumber' to print various numbers of different datatypes by creating different methods with the same name 'printn' having a parameter for each datatype. 5. What is the output of this question? class Test1 { public static void main(String[] args) { int x = 20; System.out.println(x); } static { int x = 10; System.out.print(x + " "); }

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Complete all the following questions perfectly as they are linked and connected altogether in Java Programming:

3. Write a program to print the area of a rectangle by creating a class named 'Area' having two methods. First method named as 'setDim' takes length
and breadth of rectangle as parameters and the second method named as 'getArea' returns the area of the rectangle. Length and breadth of
rectangle are entered through keyboard.
4. Create a class named 'PrintNumber' to print various numbers of different datatypes by creating different methods with the same name 'printn'
having a parameter for each datatype.
5. What is the output of this question?
class Test1 {
public
static void main(String[] args)
{
int x = 20;
System.out.println(x);
}
static
{
int x = 10;
System.out.print(x + " ");
}
}

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