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Lab exercises of java

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Mohamed Hassan (JOHN) edited this page Jan 30, 2025 · 4 revisions

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Write a Java program to print the sum of 74 and 36.

Expected Output: 110

Write a Java program to divide 50 by 3 and print them on the screen.

Expected Output: 16

Write a Java program that displays the product of 25 by 5.

Expected Output: 125

Write a Java program to print the area and perimeter of a rectangle where Width = 5.5 and Height = 8.5

Area of rectangle = length × width

Perimeter of a rectangle = 2 (Length + Width)

Expected Output:

Area is 5.6 * 8.5 = 47.60

Perimeter is 2 * (5.6 + 8.5) = 28.20

Write a Java program to convert temperature from 212 Fahrenheit degrees to its corresponding value in Celsius degrees.

Fahrenheit = ( 9 / 5 ) Celsius + 32

Expected Output: 212.0 degree Fahrenheit is equal to 100.0 in Celsius

Write a Java program to create a class called "Cat" with instance variables name and age. Implement a default constructor that initializes the name to "Unknown" and the age to 0. Print the values of the variables.

Write a Java program to create a class called Dog with instance variables name and color. Implement a parameterized constructor that takes name and color as parameters and initializes the instance variables. Print the values of the variables.

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