question

Practice following questions

1.       Write a program in JAVA to enter a number from user and check whether a number is positive or negative.

2.       Write a program in JAVA to enter three coefficients from a user and find roots by quadratic equation.

3.       Write a program in JAVA to print 1 to 100.

4.       Write a program in JAVA to print even numbers between 1 to 100.

5.       Write a program in JAVA to print sum of even numbers between 1 to 100.

6.       Write a program in JAVA to enter a number from the user and display its reverse.

7.       Write a program in JAVA to enter a number from user and check whether a number is prime or not.

8.       Write a program in JAVA display the multiplication table of any no.

9.       Write a program in JAVA to enter a string from user and copy it to another string.

10.   Write a program in JAVA to enter a string from user and find its length.

11.   Write a function in JAVA to calculate factorial of a number.

12.   Write a program in JAVA to store ten numbers from user in one-dimensional array and find its sum and average.

13.   Write a program in JAVA to store ten numbers from user in one-dimensional array and find largest of them.

14.   Write a program in JAVA to store nine [3 x 3] elements in two-dimensional array and display them.