Let’s learn to swap two variables in java in single line. swap two variables in java in single line In single expression we can swap two variables or two integers. To swap two variables in one line we are using bitwise xor operator. Bitwise xor operator of two numbers returns 1 if both bits in…
Read More swap two variables in java in single lineLet’s learn to swap three variables in java without using temporary variable. swap three variables in java without using temporary variable In the below example we are using arithmetic operators to swap three variables without using temporary variable. public class SwapThreeNumbersWithoutTemp { static int num1, num2, num3; public static void main(String[] args) { num1 =…
Read More swap three variables in java without using temporary variableLet’s learn to add two matrices in java using bufferedreader. Add two matrices in java using bufferedreader Here’s addition of two matrices using bufferedreader. import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class AddTwoMatrixUsingBufferedReader { public static void main(String[] args) throws NumberFormatException, IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int a, b; int[][] arr1 =…
Read More Add two matrices in java using bufferedreaderLet’s learn java program to find average of n numbers. Java program to find average of n numbers In program to find average of n numbers first create integer variable num and set count equal to 1. Next create variables ‘a’, average and total = 0 of type float. In the while loop check count…
Read More Java program to find average of n numbersLet’s learn java program to calculate average of 3 numbers. Java program to calculate average of 3 numbers In program to find average of 3 numbers in java we are taking input from user using nextDouble() method of Scanner class and storing in three variables number1, number2 and number3. These variables are then passed to…
Read More Java program to calculate average of 3 numbersLet’s learn to reverse an array without using another array in java. Reverse an array without using another array in java To reverse an array without using another array we are using for loop which loops till middle index of given array and then swap first number with the last number, swap second number with…
Read More Reverse an array without using another array in javaLet’s learn to reverse an array in java using for loop. Reverse an array in java using for loop In the below java program first initialize given array and print given array using for loop before reversing for(int a = 0; a < arrNumbers.length; a++). In the next step to reverse given array the condition…
Read More Reverse an array in java using for loopLet’s learn to reverse a string in java without using reverse function. Reverse a string in java without using reverse function We can reverse a string without using reverse function using for loop, while loop, and recursion. Here’s the program to reverse a string using for loop without using reverse method. for loop loops until…
Read More Reverse a string in java without using reverse functionLet’s learn to reverse a string in java word by word. Reverse a string in java word by word To reverse a string word by word first get input from user using nextLine() method of Scanner class. This user entered string is stored in String variable ‘strGiven’. Then this string variable is passed as parameter…
Read More Reverse a string in java word by wordLet’s learn java program to calculate compound interest. Java program to calculate compound interest To calculate compound interest in java here’s the formula. P (1 + R/n) (nt) – P In compound interest formula, P – is principal amount. R – is annual interest rate. t – is time the money invested or borrowed. n…
Read More Java program to calculate compound interest