FUNCTIONS
28 programming challenges to help you master the fundamentals of CORE JAVA PROGRAMMING.
1
Write a Java method to find the smallest number among three numbers.
2
Write a Java method to compute the average of three numbers.
3
Write a Java method to display the middle character of a string. Note: a) If the length of the string is odd there will be two middle characters. b) If the length of the string is even there will be one middle character.
4
Write a Java method to count all the words in a string.
5
Write a Java method to compute the future investment value at a given interest rate for a specified number of years.
6
Write a Java method to print characters between two characters (i.e. A to P).
7
Write a Java method to check whether a string is a valid password.
8
Write a Java method to display the current date and time.
9
Write a Java method to find all twin prime numbers less than 100.
10
Write a Java method to count the number of digits in an integer with the value 2. The integer may be assumed to be non-negative.
11
Write a Java method that accepts three integers and checks whether they are consecutive or not. Returns true or false.
12
Write a Java method that accepts three integers and returns true if one is the middle point between the other two integers, otherwise false
13
Write a Java method that checks whether all the characters in a given string are vowels (a, e,i,o,u) or not. Return true if each character in the string is a vowel, otherwise return false.
14
Write a C++ method to find the smallest number among three numbers.
15
Write a C++ method to compute the average of three numbers.
16
Write a C++ method to display the middle character of a string.
17
Write a C++ method to find all twin prime numbers less than 100.
18
Write a C++ method to count the number of digits in an integer with the value 2. The integer may be assumed to be non-negative.
19
Write a C++ method that accepts three integers and checks whether they are consecutive or not. Returns true or false.
20
Write a C++ method that checks whether all the characters in a given string are vowels (a,e,i,o,u) or not. Return true if each character in the string is a vowel, otherwise return false.
21
Write a program to enter 2 number from the users add them and display the answer, again enter 2 number from the user subtract them and display the answer, again enter 2 number from the user add them and display the answer, again enter 2 number from the user multiply them and display the answer, again enter 2 number from the user subtract them and display the answer, again enter 2 number from the user multiply them and display the answer, again enter 2 number from the user divide them and display the answer, again enter 2 number from the user divide them and display the answer, again enter 2 number from the user add them and display the answer ?
22
Write a program to enter 10 number from the user add the number and display the answer ?
23
Write a program to return an array from function ?
24
Making following program using local and global variable ? Factorial , Reverse , Palindrome , Prime numbers, Armstrong , Fibonacci
25
Swap numbers using Call by address ?
26
Swap numbers using Call by function ?
27
Make function for find out power of number, enter the number and power from user ?
28