JAVA

How to find unique characters from given string in java. Java code to find all the unique characters from given string. How to write complete code in java to find unique characters in given string.

How to print duplicate elements from given string in java. Write a java code to print duplicate elements from given string. complete java code for printing duplicate elemnts from given string.

Reducing Dishes: Monica has coocked N dishes and collected the data on the level of satisfaction for all the dishes from a guest. The guest returns an array, where the ith element of the array is the liking level of the ith dish, also, the time taken to cook the ith dish is i.

write a java program which counts number of words which are palindrome in nature. A string is said to be palindrome if the reverse of the string is same as string. for example : “abba” is palindrome, but “abbc” is not a palindrome.

write a program that will search for the “saddle points” in 5×5 array of integers. A saddle point is a cell whose value is grater than or equal to any other cell in it’s column. There may be more than one saddle point in the array. The program will print the coordinates of saddle points if any. The program will print “No saddle Points” if there are no saddle points.

Hacker Earth off campus coding problems asre solved in this post

Hacker Rank of campus coding question with complete solution in java explained