java programs

Java Programs

Program 1: Find Maximum of 2 nos.

Program 2: Find Minimum of 2 nos. using conditional operator

Program 3

Write a program that will read a float type value from the   keyboard and print the following output.

   ->Small Integer not less than the number.

   ->Given Number.

   ->Largest Integer not greater than the number.

Program 4

Write a program to generate 5 Random nos. between 1 to 100, and it should not follow with decimal point.

Program 5

Write a program to display a greet message according to Marks obtained by student.

Program 6

Write a program to find SUM AND PRODUCT of a given Digit.

Program 7

Write a program to Find Factorial of Given no.

Program 8

Write a program to Reverse a given no.

Program 9

Write a program to find Fibonacci series of a given no.

  Example:

        Input - 8

        Output - 1 1 2 3 5 8 13 21

Program 10

Write a program to find sum of all integers greater than 100 and less than 200 that are divisible by 7

Program 11 Write a program to Concatenate  string using for Loop    Example:

          Input - 5

          Output - 1 2 3 4 5

Program 12 

Program to Display Multiplication Table

Program 13

Write a program to Swap the values

Program 14

Write a program to convert given no. of days into months and days.

  (Assume that each month is of 30 days)

  Example :

           Input - 69

           Output - 69 days = 2 Month and 9 days

Program 15

Write a program to generate a Triangle.

  eg:

  1

  2 2

  3 3 3

  4 4 4 4 and so on as per user given number

Program 16

Write a program to Display Invert Triangle.

   Example:

          Input - 5

          Output :

          5 5 5 5 5

          4 4 4 4

          3 3 3

          2 2

          1

Program 17

Write a program to find whether given no. is Armstrong or not.

  Example:

           Input - 153

           Output - 1^3 + 5^3 + 3^3 = 153, so it is Armstrong no.

Program 18

Write a program to Find whether number is Prime or Not.

Program 19

Write a program to find whether no. is palindrome or not.

   Example:

           Input - 12521 is a palindrome no.

           Input - 12345 is not a palindrome no.

Program 20

Write a program to generate a below out put.

   Example:

          Input - 5

          Output :

          5 5 5 5 5 5 5 5 5

           4 4 4 4 4 4 4

           3 3 3 3 3

           2 2 2

           1

Program 21

Write a program to generate a below out put.

   Example:

          Input - 3

          Output :

1

           2 2 2

3 3 3 3 3

Program 22

Write a program to generate a below out put.

   Example:

          Input - 5

          Output :

1

           1 2 1

1 2 3 2 1

           1 2 3 4 3 2 1

1 2 3 4 5 4 3 2 1

Program 23

Write a program to generate a below out put.

   Example:

          Input - 3

          Output :

1

           1 2 1

1 2 3 2 1

           1 2 1

1

Program 24

Switch case demo

   Example :

           Input - 124

           Output - One Two Four

Program 25

Write a program to generate Harmonic Series.

   Example :

           Input - 5

           Output - 1 + 1/2 + 1/3 + 1/4 + 1/5 = 2.28 (Approximately)

Program 26

Write a program to find average of consecutive N Odd no. and Even no.

Program 27

Display Triangle as follow: BREAK DEMO.

    1

    2 3

    4 5 6

    7 8 9 10 ... N

Program 28

Display Triangle as follow

    0

    1 0

    1 0 1

    0 1 0 1

Program 29

Display Triangle as follow

    1

    2 4

    3 6 9

    4 8 12 16 ... N (indicates no. of Rows)

Program 30

Write a program to convert given Decimal number to Binary, Octal and Hexa decimal number and display all the values.

   Example:

           Input - 17

           Output –

Binary - 10001

Octal - 21

Decimal – 17

Hexa Decimal - 11