| First contact with Java Write a Java program to print Hello on screen and then print your name (in a separate line). |
| Sum of two numbers Write a Java program to print the result of adding 12 and 13 on screen. |
| Division of two numbers Write a Java program to print the result of dividing 24 by 5 on the screen. |
| Multiple operations and precedences Write a Java program to print the result of the following operations:
-1 + 3 * 5
(24 + 5) % 7
15 + (-4) * 6 / 11
2 + 10 / 6 * 1 - 7 % 2 |
| Multiply using variables Write a Java program to print the result of multiplying two numbers which will entered by the user. |
| Use of {0} and comments Write a Java program to ask the user for three numbers and display their multiplication. The first line must be a comment with your name and surname. It MUST look as follows:
// Your Name and Surname
Enter the first number to multiply:
12
Enter the second number to multiply:
23
Enter the third number to multiply:
2 |
| Several operations Write a Java program to print on screen the result of adding, subtracting, multiplying and dividing two numbers typed by the user. The remainder of the division must be displayed, too.
It might look like this:
Enter a number: 12
Enter another number: 3
12 + 3 = 15
12 - 3 = 9
12 x 3 = 36
12 / 3 = 4 <
12 mod 3 = 0 |
| Multiplication table Write a Java program to ask the user for a number and display its multiplication table, like this:
Please enter a number:
5
The multiplication table for 5 is:
5 x 1 = 5
5 x 2 = 10
5 x 3 = 15
...
5 x 10 = 50 |
| Average Write a Java program to calculate and display the average of four numbers entered by the user. |
| Equivalent operations Write a Java program to ask the user for three numbers (a, b, c) and display the result of (a+b)·c and the result of a·c + b·c. |
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