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Bluej calculator print code#
Bluej calculator print series#

All of the following are valid print commands. noticing is that it accepts multiple paramenters. Scanner scanner = new Scanner(System. The print keyword has really no need of explaination. Int first, second, add, subtract, multiply We also required to create a object of Scanner class to call its functions.Scanner class is a part of java.util package, so we required to import this package in our Java program.Scanner class and its functions are used to obtain inputs, and println() function is used to print on the screen.This Java program asks the user to provide integer inputs to perform mathematical operations. Numbers are assumed to be integers and will be entered by the user. Java program to perform basic arithmetic operations of two numbers.

Bluej calculator print series#

What that means is that this is a prime candidate for encapsulation into its own method.Java String Programs Java Program to Get User Input and Print on Screen Java Program to Compare Two Strings Java Program to Remove White Spaces Java Program to Concatenate Two Strings Using concat Method Java Program to Find Duplicate Characters in a String Java Program to Convert String to ArrayList Java Program to Check Whether Given String is a Palindrome Java Program to Convert String to Int Java Program to Remove All Spaces From Given String Java Program to Find ASCII Value of a Character C Language Fundamentals Java Program to Compare Between Two Dates Java Program to Demonstrate Switch Case Java Number Programs Java Program to Generate Random Numbers Java Program to Swapping Two Numbers Using a Temporary Variable Java Program to Perform Addition, Subtraction, Multiplication and Division Java Program to Calculate Simple and Compound Interest Java Program to Find Largest and Smallest Number in an Array Java Program to Find Reverse Number Java Program to Find Factorial Java Program to Generate the Fibonacci Series Java Program to Swapping Two Numbers without Using a Temporary Variable Java Program to Print Prime Numbers Java Program to Print Invert Triangle Java Program to Toss a Coin Java Program to Find odd or even Numbers in an Array Java Program to Calculate the Area of a Circle Calculate the Power of Any Number in the Java Program Java Program to Add Two Integers Java Program to Check Even or Odd Number Java Program to Check Leap Year Java Function Programs Java Program to Call Method in Same Class Java Program to Find Factorial of a Number Using Recursion Java Program to Reverse a Sentence Using Recursion Other Java Programs Reading Content in Java from URL Redundancy: Any time you are copy-pasting code, alarm bells should go off in your head.

Bluej calculator print code#

Even just add() might work, though that might be a bit misleading and lead someone reading your code to believe that all the method does is add two numbers, when really the core functionality is user interface.

So for example, your addition() method might be better named performAddition() or some such.

Method names: Method names should always be verb phrases (actions) which describe what the method does.

For example, I have no idea why you named your Scanner "kb".

Variable names: Try to have variable names which describe what the variable actually represents or holds.

Nice job! I hope you find the comments below useful as you progress. This is my first attempt at using methods and would like to see if I can improve on this as there is a lot of repeated code. I have made a basic calculator using methods.