Let’s learn 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 its…
Read More Swap two variables in java in single lineLet’s learn swap three variables in java without 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 temporary variable. public class SwapThreeNumbersWithoutTemp { static int num1, num2, num3; public static void main(String[] args) { num1 = 30; num2 =…
Read More Swap three variables in java without 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 calculate average of 3 numbers. Java program to calculate average of 3 numbers In program to calculate average of 3 numbers first get input from user using nextDouble() method of Scanner class and storing in three variables number1, number2 and number3. These variables are then passed to calculateAverage() method to…
Read More Java program to calculate average of 3 numbersLet’s learn 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 second…
Read More Reverse an array without using another array in javaLet’s learn 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 in…
Read More Reverse an array in java using for loopLet’s learn reverse a string in java without using reverse function. Reverse a string in java without using reverse function Here are ways to reverse a string without using reverse function. One using for loop, while loop, and recursion. Here’s the program to reverse a string using for loop without using reverse method. for loop…
Read More Reverse a string in java without using reverse functionLet’s learn reverse a string word by word in java. Reverse a string word by word in java 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 to…
Read More Reverse a string word by word in javaLet’s learn java program to calculate compound interest. Java program to calculate compound interest To calculate compound interest 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 – number…
Read More Java program to calculate compound interestLet’s learn multiplication table in java using array. Multiplication table in java using array Here’s the java code for multiplication table using two dimensional array and nested for loop. public class MultiplicationTableUsingArray { public static void main(String[] args) { int[][] arrMultipleTable = new int[10][10]; int row = 1, column = 1; for(int a = 0;…
Read More Multiplication table in java using array