신입SW인력을 위한 실전 자바 동영상과정 03강

[20160823]

https://youtu.be/fFRpV2Z0xow

3강 컴퓨터와의 기본적인 소통수단 - 1

package com.javalec.ex; public class Test_01 { public static void main(String[] args) { // TODO Auto-generated method stub int i = 10; int j = 3; int h = 5; System.out.println("===산술연산자==="); System.out.println("덧셈 : " + (i + j)); System.out.println("뺼셈 : " + (i - j)); System.out.println("곱셈 : " + (i * j)); System.out.println("나눗셈 : " + (i / j)); System.out.println("나머지 : " + (i % j)); System.out.println("===자동증감연산자==="); i++; // i = i + 1 System.out.println("증가 : " + i); j--; // j = j -1 System.out.println("감소 : " + j); System.out.println("===동등비교 관계 연산==="); System.out.println("i == j >>" + (i == j)); System.out.println("i != j >>" + (i != j)); System.out.println("i > j >>" + (i > j)); System.out.println("i < j >>" + (i < j)); System.out.println("===논리연산자==="); System.out.println("&& (and) >> " + (i > j && i > h)); System.out.println("&& (and) >> " + (i > j && i < h)); System.out.println("|| (or) >> " + (i > j || i < h )); System.out.println("|| (or) >> " + (i > j || i > h)); System.out.println("===삼항연산자==="); int result = h != 5 ? 1 :2; System.out.println("result = " + result); System.out.println("===할당연산자==="); System.out.println("h = " + h); h = i ; System.out.println("h = " + h); System.out.println("===줄여쓰는 연산자==="); i = i + 100; System.out.println( " i = " + i); i = 11; System.out.println( " i = " + i); i += 100; // i = i +100; System.out.println( " i = " + i); } }

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사용자로부터 입력받음 : scanner