Category: Problem Solving

Write a java program to convert all the elements of the array into lowercase. Write a program to accept a string array as input, convert

Write a java program to calculate median of the array. Write a program to accept an int array as input, and calculate the median of

Write a java program to count the word occurrences in the string. Write a program to read a string that contains a sentence and read

Write a java program to find nth number word from the string. Read a string that contains comma-separated fruit names and also a number N.

Write a java program to find the first and last word in the sentence. Write a program to read a string containing multiple words find

Java program to check the perfect number. Write a program that takes a positive integer and returns true if the number is the perfect number.

Write a java program to count the number of digits before and after the decimal point. For a given double number with at least one

Write a java program using Hashmap (Employees & Designations). A Company wants to obtain employees of a particular designation. You have been assigned as the

Write a java program to Calculate Grades. A School wants to give assign grades to its students based on their marks. You have been assigned

Write a program to validate the Date of Birth given as input in String format (MM/dd/yyyy) as per the validation rules given below. Return true