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CS 101/grammar

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Java(ch3) - Branching Mechanism, Boolean expression if-else & compound Statements if (Boolean_expression) && (Boolean) { statement_1 } else if (Boolean_expression) // (Boolean) { statement_2 } else { statement_3 } swtich Statement char grade; int score = scanner.nextInt(); switch (score/10 // char, int, short, byte, String) { case 10: case 9: grade = 'A'; break; case 8: grade = 'B'; break; case 7: grade = 'C'; break; ... default: grade = 'F'; } S..

Java(ch2) - ScreenOutput & ConsoleInput,TextFileI/O Screen output println 줄바꿈 print 다붙여씀 printf : format str + output str %f - float %d - integer %s - string %e System.out.print("$"); System.out.printf("%10.4f", 23.788888); System.out.println("each"); System.out.printf("Start%-8.2fEnd%n", 12.123); System.out("$%6.2f_%d for each %s.%n", 19.8, 3, "apple"); System.out.printf("%2s%n","zzzzz"); System.out.printf("%7c%n","z"); System.out.printf("%12.5e..

Java(ch1)-Expression&Assignment,ClassString java is device independent WORA : write once runs anywhere other languages: procedure or function java: method Java application Programs application- class with a method named main applets(little java application)- run on web browser public class FirstProgram { public static void main (String[] args) { System.out.println("Hello World"); int answer; answer = 2+2; System.out.println("2 plus 2 is" ..

[python] sort 1. sort원본을 변형시켜 정렬한다. '변수. sort( )' 형태로 사용.정렬 기준은 문자열은 알파벳, 가나다순이고 숫자는 오름차순이 기본값이다.>>> num_list = [15, 22, 8, 79, 10]>>> num_list.sort()>>> print(num_list)[8, 10, 15, 22, 79]>>> str_list = ['좋은하루','good_morning','굿모닝','niceday']>>> str_list.sort()>>> print(str_list)['good_morning', 'niceday', '굿모닝', '좋은하루'] 2. sorted정렬된 결과를 반환. 원형을 변형시키지 않는다. 괄호( ) 안에 반복 가능한 iterable 자료형을 입력하여 사용한다. 정렬 기준은 문자열은 ..

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