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Java Articles
Page 8 of 450
Java Program to Print a String
In this article, we will understand how to print a string in Java. A string is a pattern of characters and alphanumeric values. The easiest way to create a string is to write −String str = "Welcome to the club!!!"Whenever it encounters a string literal in your code, the Java compiler creates a String object with its value in this case, " Welcome to the club!!!'.As with any other object, you can create String objects by using the new keyword and a constructor. The String class has 11 constructors that allow you to provide the initial value of the string ...
Read MoreJava Program to Find Even Sum of Fibonacci Series till number N
In this article, we will learn how to find the even sum of the Fibonacci series up to a given number N. A Fibonacci series is a series where the next term is the sum of the previous two terms. An even Fibonacci series is a group of all the even numbers in the Fibonacci series. The first two terms of the Fibonacci sequence are 0 and 1. Fn = Fn-1 + Fn-2 Hence, a Fibonacci series can look like this - F8 = 0 1 1 2 3 5 8 13 or, this F8 = 1 1 2 3 5 ...
Read MoreJava program to calculate the compound interest
In this article, we will understand how to calculate compound interest in Java. Compound interest is calculated using the following formula. Amount = P(1 + R/100)t Compound Interest = Amount - Principle where, P is the principal amount T is the time R is the rate Compound interest is the interest calculated on the initial principal and also on the accumulated interest of previous periods. In other words, Compound Interest = Interest on Principal + Interest on Interest. We'll learn how to get user input for the principal amount, interest rate, and time period, and then calculate the compound interest based ...
Read MoreJava Program to Check if two of three Boolean variables are true
In this article, we will learn to check if any two out of three boolean values are true or not. Boolean variables are datatypes that contain only true or false values. Below is a demonstration of the same - Input: true, true, falseOutput : Two of the three variables are true Checking if two of three Boolean variables are trueIn this article, we will discuss two approaches to check it, and they are - Using if-else Condition ...
Read MoreJava Program to Generate Multiplication Table
In this article, we will understand how to print a multiplication table. Multiplication table is created by iterating the required input 10 times using a for loop and multiplying the input value with numbers from 1 to 10 in each iteration.Below is a demonstration of the same −InputSuppose our input is −Input : 16OutputThe desired output would be −The multiplication table of 16 is : 16 * 1 = 16 16 * 2 = 32 16 * 3 = 48 16 * 4 = 64 16 * 5 = 80 16 * 6 = 96 16 * 7 = 112 ...
Read MoreJava Program to Round a Number to n Decimal Places
In this article, we will understand how to round a number to n decimal places. Rounding of decimal values are done using the CEIL or FLOOR functions.Below is a demonstration of the same −InputSuppose our input is −Input : 3.1415OutputThe desired output would be −Output : 3.2 AlgorithmStep 1 - START Step 2 - Declare a float variable values namely my_input. Step 3 - Read the required values from the user/ define the values Step 4 – Use the CEIL function to round the number to the required decimal places. In this example we are rounding up to 2 decimal ...
Read MoreJava Program to pass method call as arguments to another method
In this article, we will understand how to pass method call as arguments to another method. We can call a method from another class by just creating an object of that class inside another class. After creating an object, call methods using the object reference variable.Below is a demonstration of the same −InputSuppose our input is −Enter two numbers : 2 and 3OutputThe desired output would be −The cube of the sum of two numbers is: 125AlgorithmStep 1 - START Step 2 - Declare two variables values namely my_input_1 and my_input_2 Step 3 - We define a function that takes ...
Read MoreJava Program to Print Spiral Pattern of Numbers
In this article, we will understand how to print spiral pattern of numbers. The pattern is formed by using multiple for-loops and print statements.Below is a demonstration of the same −InputSuppose our input is −Enter the size : 5OutputThe desired output would be −The spiral pattern 5 5 5 5 5 5 5 5 5 5 4 4 4 4 4 4 4 5 5 4 3 3 3 3 3 4 5 5 3 2 2 4 2 3 4 5 5 4 3 2 1 2 3 4 5 5 4 3 2 2 2 3 4 5 ...
Read MoreJava Program to Print Inverted Star Pattern
In this article, we will understand how to print inverted star pattern. The pattern is formed by using multiple for-loops and print statements.Below is a demonstration of the same −InputSuppose our input is −Enter the size : 8OutputThe desired output would be −The inverted star pattern *************** ************* *********** ********* ******* ***** *** *AlgorithmStep 1 - START Step 2 - Declare four integer values namely i, j, k and my_input. Step 3 ...
Read MoreHow to use labels in Java code?
Java provides two types of branching/control statements namely, break and continue.The break statementThis statement terminates the loop or switch statement and transfers execution to the statement immediately following the loop or switch.ExampleFollowing is the example of the break statement. Here we are trying to print elements up to 10 and, using break statement we are terminating the loop when the value in the loop reaches 8.public class BreakExample { public static void main(String args[]){ for(int i=0; i
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