Java program to calculate roots of the quadratic equation – The following program has been written in 2 simple ways. A quadratic equation is of the form ax2+bx+c=0 where a,b,c are known numbers while x is the unknown. Our problem statement is to write a code to find the roots of this equation. Roots of the equation are the values ...

Java program for matrix subtraction. The following Java code to subtract two matrices has been written in three different ways. For addition you can check here, The methods are: Using For Loop Using While Loop Using Do-While Loop The compiler has been added to the program so that you can execute and check it for yourself, along with suitable examples ...

To solve any given problem, we first have to understand the problem statements thoroughly and see if any constraints are given in the problem. Then, we have to determine the requirements or inputs needed to solve the problem. Then, we decide our expected output for the given problem and finally, think of the logic to be used to arrive at ...

Java tutorial to remove an element from collection using Iterator object. Here, we will discuss about the methods to remove an element from a collection using iterator objects in Java alongside suitable examples and sample outputs. Also we have discussed what is an Iterator in brief. The methods are as follows: Removing All Elements. Removing A Specific Element Removing Using ...

Java program to calculate entropy in 5 ways. Entropy, in short, is the average level of information or uncertainty in a particular variable’s possibility of outcomes. Our problem statement here is, to write a code to find the entropy of a number of messages. For this, our required inputs are, the number of messages (n) and the probability of each ...

Java print and Convert Char to ASCII in Java program in 2 different ways. The converted character to ASCII Java program will be given with sample output and suitable examples. ASCII is an acronym for American Common Code For Information Interchange. It is a standard data-transmission code used by smaller and less powerful computers to convey both textual data (letters, ...

Java program & tutorial to read all elements in a vector by using iterator. Here, we have discussed the various methods to do the aforementioned using sample program & Example. Compiler has been added so that you can execute the programs yourself, alongside suitable examples and sample outputs. To travel through a Vector, we can use any of the following ...

Java program to calculate the fractions of Addition, Subtraction, and Simple. If you have any doubts related to the code mentioned over here, leave a comment here. Simple Fraction Our problem statement here is to convert into fractions. To convert into fractions, we need a numerator and denominator. Therefore our inputs will be two double-type numbers i.e., numerator (n1) and ...

Java program to calculate telephone bill, here is the detailed program. There are certain steps to be taken so that, we arrive at our desired solution. Our first step is to understand the problem completely and to also see if any constraints are mentioned. Then, we determined the inputs required as well as the expected output. Then, we plan on ...

Java Program to Calculate PF – in 2 ways. In this problem, we need to find the gross salary and providential fund for our given input values. Gross salary is found by subtracting provident fund (pf) from cost-to-company. For this, our required inputs are basic pay amount (basicpay), percentage of dearness allowance (da), percentage of house rental allowance (hra), percentage ...