Let’s learn how to remove duplicates from array in java without using collections. How to remove duplicates from array in java without using collections To remove duplicates from array is bit tricky. Because problem with arrays is not finding duplicates, its about removing duplicates. We all know that an array is a static data structure…
Read More How to remove duplicates from array in java without using collectionsLet’s learn difference between while and do while loop in java. Difference between while and do while loop in java while loop do while loop In while loop condition is checked first and then statements are executed. In do while loop statements are executed atleast once and then condition is checked. In while loop statements…
Read More Difference between while and do while loop in javaLet’s learn java do while loop with user input. Java do while loop with user input Now let’s learn to add user input numbers and get total using do while loop. In the below program if user inputs 0, do while loop terminates the loop and finally prints the total of user input values. Here’s…
Read More Java do while loop with user inputLet’s learn java program to add two numbers using bufferedreader. Java program to add two numbers using bufferedreader In the below program to add two numbers using bufferedreader first get input from user using readLine() method of BufferedReader class. In the next step convert string to integer using Integer.parseInt() method. This method returns the integer…
Read More Java program to add two numbers using bufferedreaderLet’s learn string palindrome in java using stringbuffer. String palindrome in java using stringbuffer Let’s learn to check if a string is a palindrome using StringBuffer. First we have to create StringBuffer object ‘sb’. Then pass given string as parameter to the constructor. Now reverse contents of given string using reverse() method of StringBuffer class.…
Read More String palindrome in java using stringbufferLet’s learn how to check a string for palindrome using array in java. String palindrome in java using array To do that first convert user entered string into character array using toCharArray() method. In the next step make a copy of user entered string into another character array using copyOf() method of Arrays class. Now…
Read More String palindrome in java using arrayLet’s learn how to check if a string is in alphabetical order in java. How to check if a string is in alphabetical order in java To check if a string is in alphabetical order or not first store the given string in String variable “strInput”. Before going to next step first create static checkIfAlphabaticOrder(String…
Read More How to check if a string is in alphabetical order in javaLet’s learn to arrange words of a sentence in alphabetical order in java. Arrange words of a sentence in alphabetical order in java In the below example we are using collection to arrange words of a sentence in alphabetical order. Here’s the program to arrange words of a sentence in alphabetical order in java. import…
Read More Arrange words of a sentence in alphabetical order in javaLet’s learn java program to find largest of four numbers using nested if. Java program to find largest of four numbers using nested if In below java program first user is asked to enter four numbers one by one using nextInt() method of Scanner class. These four numbers are stored in four integer variables number1,…
Read More Java program to find largest of four numbers using nested ifLet’s learn java program to find smallest of three numbers using ternary operator. Java program to find smallest of three numbers using ternary operator In the below program we are using two ternary operators to find the smallest of three numbers. Ternary operator in java comprises of a condition which evaluates to either true or…
Read More Java program to find smallest of three numbers using ternary operator