Write a java program to find average of elements in Hashmap.
Write code to find out the average of all values whose keys are even numbers. Round the average to two decimal places and return as
October 19, 2017
Author: Bhupendra Patidar
Write a java program to Swap Characters.
Write a program to input a String and swap every 2 characters in the string. If the size is an odd number then keep the
October 19, 2017
Write a java program to remove a character from a string.
Write a program to input a string and a character, and remove that character from the given String. Print the final string. Input and Output
October 19, 2017
Write a java program to modify a string.
Write a program to input a person’s name in the format “FirstName LastName” and return the person’s name in the following format – “LastName, InitialOfFirstName”.
October 19, 2017
Write a Java program to Find common characters and unique characters in string
Write java code to count the common and unique letters in the two strings. If a character appears more than once in the 1st string.
October 19, 2017
Write a java program to find File Extension.
Write a program to read a file name as a string and find out the file extension and return it as output. For example, the
October 19, 2017
Write a java program to find Difference between two dates in days.
Write a java code to get two date strings as input and write code to find the difference between two dates in days. The return type
October 19, 2017
Write a java program to check IP Validator.
Write a program to read a string and validate the IP address. Print “Valid” if the IP address is valid, else print “Invalid”. Input and
October 19, 2017
Write a java program to find Sum of cubes and squares of elements in an array.
Write a program to get an int array as input and identify even and odd numbers. Use the following rules: If the number is odd
October 19, 2017
Write a java program to find the difference between Dates in months.
Given a method with two date strings in “yyyy-mm-dd” format as input. Write code to find the difference between two dates in months. The return type
October 19, 2017
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