[1주차] 과제 + 예제

CircleCalc.java

@@ -0,0 +1,18 @@
+import java.util.Scanner;
+
+public class CircleCalc {
+
+	public static void main(String[] args) {
+		final double PI = 3.14159;
+		double radius;
+		double area;
+
+		Scanner keyboard = new Scanner(System.in);
+		System.out.println("반지름 : ");
+		radius = keyboard.nextDouble();
+		area = PI * radius * radius;
+		System.out.println("원의 넓이 : " + area);
+
+	}
+
+}

FirstProgram.java

@@ -0,0 +1,20 @@
+import java.util.Scanner;
+
+public class FirstProgram {
+
+	public static void main(String[] args) {
+		System.out.println("Enter two whole numbers on a line:");
+		int n1, n2;
+
+		Scanner keyboard = new Scanner(System.in);
+
+		n1 = keyboard.nextInt();
+
+		n2 = keyboard.nextInt();
+
+		System.out.println("The sum of those two number is");
+		System.out.println(n1 + n2);
+
+	}
+
+}

Hello.java

@@ -0,0 +1,10 @@
+
+public class Hello {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		System.out.println("Hello, everyone!!");
+
+	}
+
+}

[1주차] 과제/Week1_1_강승연.java

@@ -0,0 +1,40 @@
+import java.util.Scanner;
+public class Week1_1_강승연 {
+
+	public static void main(String[] args) {
+
+		System.out.println("============");
+		System.out.println("전공: 사이버보안");
+		System.out.println("학번: 2171056");
+		System.out.println("성명: 강승연");
+		System.out.println("============");
+
+		//Scanner Class 선언
+		Scanner input = new Scanner(System.in); 
+
+		//변수 선언 및 초기화
+		int base = 0;
+		int height = 0;
+		float area = 0;
+
+		System.out.print("Input base:");
+
+		//base 입력
+		base = input.nextInt();
+
+		System.out.print("Input height:");
+
+		//height 입력
+		height = input.nextInt();
+
+		//area 계산 + 형변환
+		area = (float)(base * height) / 2;
+
+		System.out.println("The area :" + area);
+
+		//Scanner close
+		input.close();
+
+	}
+
+}

[1주차] 과제/Week1_2_강승연.java

@@ -0,0 +1,37 @@
+import java.util.Scanner;
+public class Week1_2_강승연 {
+
+	public static void main(String[] args) {
+
+		System.out.println("============");
+		System.out.println("전공: 사이버보안");
+		System.out.println("학번: 2171056");
+		System.out.println("성명: 강승연");
+		System.out.println("============");
+
+		//Scanner Class 선언
+		Scanner input = new Scanner(System.in);
+
+		//변수 선언 및 초기화
+		int int1 = 0;
+		int int2 = 0;
+		int int3 = 0;
+		float avg = 0.0f;
+
+		System.out.println("정수 세 개 입력");
+
+		//int1,2,3 입력
+		int1 = input.nextInt();
+		int2 = input.nextInt();
+		int3 = input.nextInt();
+
+		//avg 계산 + 형변환
+		avg = (float)(int1 + int2 + int3) / 3;
+
+		System.out.printf("평균:" + "%.2f", avg);
+
+		//Scanner close
+		input.close();
+	}
+
+}

[1주차] 과제/Week1_3_강승연.java

@@ -0,0 +1,35 @@
+import java.util.Scanner;
+public class Week1_3_강승연 {
+
+	public static void main(String[] args) {
+
+		System.out.println("============");
+		System.out.println("전공: 사이버보안");
+		System.out.println("학번: 2171056");
+		System.out.println("성명: 강승연");
+		System.out.println("============");
+
+		//Scanner Class 선언
+		Scanner input = new Scanner(System.in);
+
+		//변수 선언 및 초기화
+		int temF = 0;
+		float temC = 0.0f;
+
+		//화씨온도 입력
+		System.out.print("화씨온도 입력:");
+		temF = input.nextInt();
+
+		System.out.println("화씨온도:" + temF);
+
+		//섭씨온도 계산 + 형변환
+		temC = (float)5/9 * (temF - 32);
+
+		System.out.printf("섭씨온도:" + "%.1f", temC);
+
+		//Scanner close
+		input.close();
+
+	}
+
+}