1번문제
package week1;
class Employee {
private String name;
private int age;
private String address;
private String department;
public Employee(String name, int age, String address, String department) {
this.name = name;
this.age = age;
this.address = address;
this.department = department;
}
public void printInfo() {
System.out.println("이름: " + this.name );
System.out.println("나이: " + this.age );
System.out.println("주소: " + this.address);
System.out.println("부서: " + this.department);
}
}
class Regular extends Employee{
private int monthSalary;
public Regular(String name, int age, String address, String department) {
super(name, age, address, department);
// TODO Auto-generated constructor stub
}
public void setSalary(int monthSalary) {
this.monthSalary = monthSalary;
}
public void printInfo() {
super.printInfo();
System.out.println("정규직");
System.out.println("월급: " + this.monthSalary);
}
}
class Temporary extends Employee{
private int workTime;
private int timeSalary;
private int workSalary;
public Temporary(String name, int age, String address, String department) {
super(name, age, address, department);
// TODO Auto-generated constructor stub
this.timeSalary = 10000;
}
public void setWorkHours(int workTime) {
this.workTime = workTime;
this.workSalary = workTime * timeSalary;
}
public void printInfo() {
super.printInfo();
System.out.println("비정규직");
System.out.println("일한 시간: " + this.workTime);
System.out.println("급여: " + this.workSalary);
}
}
public class EmployeeTest {
public static void main(String[] args) {
// TODO Auto-generated method stub
Regular r = new Regular("이순신", 35, "서울", "인사부");
Temporary t = new Temporary("장보고", 25, "인천", "경리부");
r.setSalary(5000000);
r.printInfo();
t.setWorkHours(120);
t.printInfo();
}
}
Java
복사
2번문제
package week1;
import java.util.Arrays;
public class BubbleSort {
public static void main(String[] args) {
// TODO Auto-generated method stub
int[] arr = {7 , 4 , 3, 2, 5};
int [] result = new int[5];
result = bubbleSort(5,arr);
System.out.println(Arrays.toString(arr));
}
public static int[] bubbleSort(int n, int[] arr) {
int temp = 0;
for(int i = n - 1; i > 0; i--) {
for(int j = 0; j< n-1;j++) {
if(arr[j]>arr[j+1]) {
temp = arr[j];
arr[j] = arr[j+1];
arr[j+1] = temp;
}
}
}
return arr;
}
}
Java
복사
3번문제
package week1;
class Shape{
public Shape() {
System.out.println("도형입니다 ");
}
public void draw() {
System.out.println("도형입니다 ");
}
public double getArea() {
return 0.0;
}
}
class Rectangle1 extends Shape {
private int height;
private int width;
public Rectangle1(int height, int width){
this.height = height;
this.width = width;
}
@Override
public double getArea() {
return height * width;
}
}
class Triangle extends Shape{
private int height;
private int width;
public Triangle(int height, int width){
this.height = height;
this.width = width;
}
@Override
public double getArea() {
return height * width / 2.0;
}
}
public class Poly {
public static void main(String[] args) {
// TODO Auto-generated method stub
Shape[] shapeArr = {new Triangle(10,10),new Rectangle1(10,10)};
double sumArea = 0;
for (Shape s : shapeArr) {
sumArea += s.getArea();
}
System.out.println(sumArea);
}
}
Java
복사
