'Equals method' diaporamas de présentation

Review of O-O Concepts and UML

Review of O-O Concepts and UML. James Brucker Stay awake! These slides are not available online. University level course. Not like high school Self-directed learning you ask the questions direct your own studies " what do I want to know? " know yourself: " what do I understand? "

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Inheritance and Polymorphism

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Object-Oriented Programming (Java), Unit 14

Object-Oriented Programming (Java), Unit 14. Kirk Scott. The Methods toString(), equals(), and clone(). 14.1 toString() 14.2 equals() 14.3 What is Cloning? 14.4 Using the System Supplied clone() Method 14.5 Overriding the clone() Method for Objects without References

858 views • 76 slides

Object-Oriented Programming (Java), Unit 14

Object-Oriented Programming (Java), Unit 14. Kirk Scott. The Methods toString(), equals(), and clone(). 14.1 toString() 14.2 equals() 14.3 What is Cloning? 14.4 Using the System Supplied clone() Method 14.5 Overriding the clone() Method for Objects without References

884 views • 76 slides

Chapter 21 Generics

Chapter 21 Generics. Why Do You Get a Warning?. public class ShowUncheckedWarning { public static void main(String[] args) { java.util.ArrayList list = new java.util.ArrayList(); list.add("Java Programming"); } }.

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Chapter 11 Object-Oriented Design and Patterns

Chapter 11 Object-Oriented Design and Patterns. Motivations.

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SD1420 Unit 6: Chapter 11

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Chapter 4: Explore! Decision-Making Controls

Chapter 4: Explore! Decision-Making Controls. Objectives. In this chapter, you learn to: Create an Android project with a custom icon Change the text color in controls using hexadecimal colors Align controls using the Change Gravity tool Determine layout with the Change Margins tool

449 views • 32 slides

Building Java Programs

Building Java Programs. Chapter 9: Inheritance and Interfaces. Lecture outline. the equals method polymorphism "inheritance mystery" problems. Class Object and The equals method. reading: 8.6. Class Object. All types of objects have a superclass named Object .

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Lecture 2 Review of classes

Lecture 2 Review of classes. Richard Gesick. The toString Method. Returns a String representing the data of an object Clients can call toString explicitly by coding the method call. Clients can call toString implicitly by using an object reference where a String is expected.

379 views • 31 slides

Building Java Programs

Building Java Programs. Chapter 9: Inheritance and Interfaces. Lecture outline. the equals method polymorphism "inheritance mystery" problems. Class Object and The equals method. reading: 8.6. Class Object. All types of objects have a superclass named Object .

409 views • 31 slides

Java OO Concept

Java OO Concept. Chate Patanothai. Java: call by value. Method parameters are copied in the parameter variables when a method starts. Any changes to the parameter variables do not affect the original variables. True in all cases; primitives and references. Java: call by value.

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Module 12: Operators, Delegates, and Events

Module 12: Operators, Delegates, and Events. Overview. Introduction to Operators Operator Overloading Creating and Using Delegates Defining and Using Events. Introduction to Operators. Operators and Methods Predefined C# Operators. Operators and Methods. Using methods Reduces clarity

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George Blank University Lecturer

George Blank University Lecturer. JUnit for Test Driven Development. By Vivek Bhagat, George Blank. What is Test Driven Development & JUnit?.

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Strings and Arrays

Strings and Arrays. The objectives of this chapter are: To discuss the String class and some of its methods To discuss the creation and use of Arrays. The String Class. Although we haven't yet discussed classes and object, we will discuss the String class.

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Chapter 8 Classes and Objects

Chapter 8 Classes and Objects. Passing parameters to methods The Object Class Inner Classes. Passing parameters to method. Java uses exactly one mode of passing parameters: pass by value . When passing by value of a primitive data type,

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Introduction to Searching and Sorting

Introduction to Searching and Sorting. Comparable Interface -Reading p. 638-640 Comparator Interface. The Comparable Interface. The Comparable interface is in the java.lang package, and so is automatically available to any program

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Working with string

Working with string. In java Four classes are provided to work with String:1) String 2)String Buffer 3)String Tokenizer 4)String Builder

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Bigram: group/word of 2 letters

Bigram: group/word of 2 letters . java.util.Set: A collection that contains no duplicate elements. sets contain no pair of elements e1 and e2 such that e1.equals(e2), and at most one null element. HashSet uses a HashMap instance for imnplementation. Code for Bigram class: override equals.

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Comparing Data

Comparing Data. Comparing More than Numbers. Comparing Data. When comparing data using boolean expressions, it's important to understand the nuances of certain data types Let's examine some key situations: Comparing floating point values for equality Comparing characters

409 views • 13 slides