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전용뷰어 보기◆ Statement Types- Simple statementbalance = balance - amount;- Compound statementif(condition) statement1;- Block Statement{ double newBalance = balance - amount; balance = newBalance;} ◆ The if/else statement* if( condition ~ true / false) statement1; ◆ Comparing Values : Relational Operators- Only for comparing NUMBER ◆ Comparing Floating-point Numbers- To avoid roundoff errors, don't ..

◆ Number Types- int : integer, no fractional parts- double : floating-point numbers (double precision)※ Primitive TypesTypeDescriptionSizeintThe integer type, with range -2,147,483,648 . . . 2,147,483,6474 bytesbyteThe type describing a single byte, with range -128 . . . 1271 byteshortThe short integer type, with range -32768 . . . 327672 byteslongThe long integer type, with range -9,223,372,036..

◆ Instance Variables - Instance variables store the data of an object- Instance of a class : an object of the class- The class declaration specifies the instance variables :public class Counter{ private int value; ...}- An instance variable declaration consists of the following parts :* access specifier ( private )* type of variable ( such as int )* name of variable ( such as value )- Each objec..

◆ Types : a set of values and the operations that can be carried out on the value- Java has separate types for integers and floating-point numbers- A value such as 13 or 1.3 that occurs in a Java program is called a number literal ◆ Number Types- A type defines a set of values and the operations that can be carried out on the values- Number types are primitive types (most basic, can stand alone ..

본 포스트의 요약은 제가 현재 학교 수업으로 듣고 있는 객체지향 프로그래밍 및 실습이란 과목입니다.현 과목에서 저희 수업은 java 언어를 통하여 객체지향 프로그래밍을 배우고 있습니다.영어로 수업을 배우고 있어서, 모든 요약은 거의 영어로 됩니다.제 스스로 복습을 위한 정리 공간이지만, 이 글을 읽는 분에게도 도움이 되었으면 합니다. ◆ Java programming Language- Simple - Safe - Paltform-independent("write once, run anywhere")- Rich library(Package)- Designed for the internet ◆ The Structure of a Simple Program: Class Declaration- Class : fu..

블록 후ctrl + shfit + O>> 자동 import! 블록 후ctrl + shfit + F>> 자동 정렬 Class내의 api가 늦게 뜬다면ctrl + space>> api 뜸(이거 몰라서 맨날 기다림...)

JAVA SE :http://download.oracle.com/javase/7/docs/api/index.html (7) http://download.oracle.com/javase/6/docs/api/index.html (6) http://download.oracle.com/javase/index.html - Quiz 볼 때 준비해야 할 api- 여담 ; 난 api가 하도 많길래 당연히 검색창이 있을 줄 알았는데 ctrl+F 를 절실히 활용해야한다. 이클립스에서도 api를 지원하지만 느리기도 느리고 난 이게 더 편하다. java tutorialshttp://docs.oracle.com/javase/tutorial/