devdany

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        System.out.println("첫번째 피연산자를 입력하세요");
        int first = sc.nextInt();

        System.out.println("연산자를 입력하세여");

devdany

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        int n = scanner.nextInt();

devdany

import java.util.Scanner;

public class Car {

    public static void main(String[] args) {

        String model = "포르셰";
        int location = 0;

        Scanner sc = new Scanner(System.in);

devdany

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Driver dany = new Driver();
        Car porche = new Car();

        while (true){
            dany.actionChoice(porche.getLocation(), porche);

devdany

public class Person {
    protected String name;
    //0이면 남자, 1이면 여자
    protected int gender;

    protected int height;

    //yyyyMMdd
    protected String birth;
    

devdany

public abstract class Car {
    public abstract void sound();
}

public class Benz extends Car {
    private String name = "benz";
    private String color = "black";

    @Override
    public void sound() {

devdany

//Main.java
import java.util.Scanner;

public class Main {


    public static void main(String[]args) {
        Scanner scanner = new Scanner(System.in);
        boolean isLogin = false;
        User loginUser = new User();

devdany

public class PredicateParameter {
    public static void main(String [] args){
        //빨갛고 무거운 사과를 얻겠다면

        List<Apple> apples = new ArrayList<>();
        List<Lemon> lemons = new ArrayList<>();
        List<String> words = new ArrayList<>();
        
        
        filter(apples, (Apple apple) -> "red".equals(apple.getColor()) && apple.getWeight()>150);

devdany

class Apple{
    private String color;
    private Integer weight;

    public void setColor(String color) {
        this.color = color;
    }

    public void setWeight(Integer weight) {
        this.weight = weight;

devdany

//필터 적용 전
    @PostMapping("/table")
    public List<ProfitTable> table(String selected) throws IOException{
        List<Profit> profits;
        if(selected == null || "all".equals(selected)){
            profits = profitService.findAll();
        } else {
            profits = profitService.findByCoin(selected);
        }