
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

Write code to find out the average of all values whose keys are even numbers. Round the average to two

Write a program to input a String and swap every 2 characters in the string. If the size is an

Write a program to input a string and a character, and remove that character from the given String. Print the

Write a program to input a person’s name in the format “FirstName LastName” and return the person’s name in the

Write java code to count the common and unique letters in the two strings. If a character appears more than

Write a program to read a file name as a string and find out the file extension and return it

Write a java code to get two date strings as input and write code to find the difference between two

Write a program to read a string and validate the IP address. Print “Valid” if the IP address is valid,

Write a program to get an int array as input and identify even and odd numbers. Use the following rules:

Given a method with two date strings in “yyyy-mm-dd” format as input. Write code to find the difference between two