해보자바 해보자바

if(조건식){} if(a >= 50 && a = 20) { System.out.println("성인"); } else { System.out.println("미성인"); } if(조건식){}else if(){} /* if(조건식1){실행구문1} else if(조건식2){실행구문2} else if(조건식2){실행구문3} ... else{기본실행구문} 필수아님 */ if (score >= 90) { grade = 'A'; } else if (score >= 80) { grade = 'B'; } else if (score >= 70) { grade = 'C'; } else if (score >= 60) { grade = 'D'; } else { grade = 'F'; } 중첩된 if문 if(score >= ..