Take three numbers from user and print the greatest number Write a JAVA program to add two matrices of same size Write a JAVA program to count the letters, space, numbers and other characters of an ...

Given an array of n pairs of integers . Your task is to sort the array on the basis of first element of pairs in descending order . If the first element are equal in two or more pairs then give ...

Here, I am writing the code for sorting JSONArray in java technology. we can sort jsonarray in ascending or in descending order according to our requirement by changing pattern as below. private ...