Formatted Output
Coddy Java 여정의 기초 섹션에 포함된 레슨 — 73개 중 41번째.
챌린지
초급출력을 수정하여 항상 두 자리 소수점으로 double 값을 출력하도록 하세요. 이를 위해 printf 메서드 내부에서 %.2f 형식을 사용하세요:
int num = 0;
System.out.printf("number: %.2f", num);문자열 끝에 \n을 추가하세요. 이는 새 줄을 추가합니다:
System.out.printf("number: %.2f\n", num);직접 해보기
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
System.out.println("Calculator App");
Scanner scanner = new Scanner(System.in);
double num1 = scanner.nextDouble();
double num2 = scanner.nextDouble();
// Perform arithmetic operations
double sum = num1 + num2;
double difference = num1 - num2;
double product = num1 * num2;
double quotient = num1 / num2;
// Print the results
System.out.println("Sum: " + sum);
System.out.println("Difference: " + difference);
System.out.println("Product: " + product);
System.out.println("Quotient: " + quotient);
}
}기초의 모든 레슨
4Operators Part 1
Arithmetic OperatorsModulo OperatorIncrement/DecrementPost Increment/DecrementArithmetic ShortcutsComparison OperatorsString Comparison5Operators Part 2
Logical Operators Part 1Logical Operators Part 2Recap - Simple LogicLogical Operators Part 3Logical Operators Part 43Variables Part 2
ConstantsNaming ConventionsRecap - Initialize VariablesType Casting Part 1Type Casting Part 26Decision Making
If StatementIf - ElseSwitch StatementTernary OperatorRecap - If ElseNested If - Else