In this article we will learn to implement a java program to print all unique words of a string. A java program is provided below which reads a line of text from the user and prints out the unique words in ascending order. We use TreeMap class from collections framework to store the frequency […]
In this article we will learn to implement a Java program to print only unique characters in a string. A Java program is provided below which reads a string from the user, and prints out only the unique characters in the string in insertion order. First we find out the frequency of each character […]
In this article we will learn to implement a Java program to print the frequency of characters in a string. A Java program is provided below reads the string and gives the frequency of each character (number of times a character is repeated). This java program reads a string from the user, calculates frequency […]
In this article we will learn to implement a Java program to remove duplicate characters from a string. A java program is provided below that accepts a string from the user, ignores any duplicate characters and prints each character only once in ascending order. We use TreeSet class from collections framework for printing the characters […]
In this article we will learn to implement a Java program to display integers and their sum using StringTokenizer. A Java program is provided below which uses StringTokenizer class, reads a line of integers and then displays each integer and the sum of all integers. Program is as follows: import java.util.*; class StringTokenDemo { […]
In this article we will learn to implement a Java program for sorting a given list of names in ascending order. A Java program is provided for sorting a given list of names or strings in ascending order. Program is as follows: import java.util.*; class Sorting { void sortStrings() { Scanner s = new […]
In this article we will learn to implement a Java program that checks whether a given string is a palindrome or not. A Java program is provided below that reads a string, checks whether it is a palindrome or not. Program is as follows: import java.util.*; class Palindrome { void isPalindrome(String str) { String […]