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Describe toString() Methods ?
Print methods are general in some languages, but most Java programs operate differently. You can use System.out.println() to print any object. Therefore for good results your class should have a toString() method which formats the object's data in a sensible way and returns a string. Otherwise all that's printed is the name of the class that is generally not what you need. For instance, a good toString() method for the Car class might be
public String toString() { return (this.licensePlate + " is moving at " + this.speed + "kph and has a maximum speed of " + this.maxSpeed +"kph."); }
consider the file name cars.text each line in the file contains information about a car ( year,company,manufacture,model name,type) 1-read the file 2-add each car which is represen
Task 1 Create a new project in Eclipse called Assignment 1. Within this project create a package called task01. 1/ Download the class Date (you must use this class - no
What does it mean that a method or field is "static"? Static variables and methods are instantiated only once per class. In other words they are class variables, not example va
Explain Data Updates issues in data management? DATA UPDATES: Old titles must be removed regularly Data changes every time Prices change Transportation / shipping cost change
How to Scaling Images in java applet? You can scale an image within a particular rectangle using this version of the drawImage() method: public boolean drawImage(Image img,
What is Mixing Data Types? As well as merging various operations, you can mix and match various numeric data types on the similar line. The program below uses both ints and dou
Need java programmer for an assignment "Prepare a program that will accept a sequence of file names as command-line arguments. These files will consist of ASCII text representin
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What Content Issues is happened in java language? Some people claim in which Java is insecure since it can show the user erotic pictures and play flatulent noises. By this stan
Extend the given drawing program (the version that allows undo and redo) as follows: a) Allow the user to select font and font size; user should also be able to boldface, underl
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