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Java Programming Exercies

Java Basic Programming : Exercises, Practice, Solution

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Java Basic Exercises [15 exercises with solution]

1. Write a Java program to print 'Hello' on screen and then print your name on a separate line. Go to the editor
Expected Output :
Hello
Alexandra Abramov

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2. Write a Java program to print the sum of two numbers. Go to the editor
Test Data:
74 + 36
Expected Output :
110

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3. Write a Java program to divide two numbers and print on the screen. Go to the editor
Test Data :
50/3
Expected Output :
16

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4. Write a Java program to print the result of the following operations. Go to the editor
Test Data:
a. -5 + 8 * 6
b. (55+9) % 9
c. 20 + -3*5 / 8
d. 5 + 15 / 3 * 2 - 8 % 3
Expected Output :
43
1
19
13

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5. Write a Java program that takes two numbers as input and display the product of two numbers. Go to the editor
Test Data:
Input first number: 25
Input second number: 5
Expected Output :
25 x 5 = 125

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6. Write a Java program to print the sum (addition), multiply, subtract, divide and remainder of two numbers. Go to the editor
Test Data:
Input first number: 125
Input second number: 24
Expected Output :
125 + 24 = 149
125 - 24 = 101
125 x 24 = 3000
125 / 24 = 5
125 mod 24 = 5

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7. Write a Java program that takes a number as input and prints its multiplication table upto 10. Go to the editor
Test Data:
Input a number: 8
Expected Output :
8 x 1 = 8
8 x 2 = 16
8 x 3 = 24
...
8 x 10 = 80

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8. Write a Java program to display the following pattern. Go to the editor
Sample Pattern :

   J    a   v     v  a                                                  
   J   a a   v   v  a a                                                 
J  J  aaaaa   V V  aaaaa                                                
 JJ  a     a   V  a     a
 

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9. Write a Java program to compute the specified expressions and print the output. Go to the editor
Test Data:
((25.5 * 3.5 - 3.5 * 3.5) / (40.5 - 4.5))
Expected Output
2.138888888888889

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10. Write a Java program to compute a specified formula. Go to the editor
Specified Formula :
4.0 * (1 - (1.0/3) + (1.0/5) - (1.0/7) + (1.0/9) - (1.0/11))
Expected Output
2.9760461760461765

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11. Write a Java program to print the area and perimeter of a circle. Go to the editor
Test Data:
Radius = 7.5
Expected Output
Perimeter is = 47.12388980384689
Area is = 176.71458676442586

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12. Write a Java program that takes three numbers as input to calculate and print the average of the numbers. Go to the editor
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13. Write a Java program to print the area and perimeter of a rectangle. Go to the editor
Test Data:
Width = 5.5 Height = 8.5

Expected Output
Area is 5.6 * 8.5 = 47.60
Perimeter is 2 * (5.6 + 8.5) = 47.60

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14. Write a Java program to print an American flag on the screen. Go to the editor
Expected Output

* * * * * * ==================================                          
 * * * * *  ==================================                          
* * * * * * ==================================                          
 * * * * *  ==================================                          
* * * * * * ==================================                          
 * * * * *  ==================================                          
* * * * * * ==================================                          
 * * * * *  ==================================                          
* * * * * * ==================================                          
==============================================                          
==============================================                          
==============================================                          
==============================================                          
==============================================                          
==============================================
 

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15. Write a Java program to swap two variables. Go to the editor
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Java Practice online

#include <stdio.h> 
int main()  
 {
  }

List of Exercises with Solutions :



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