Junior-Developer

1일 1커밋! 1일 1 백준!

문제풀이/명품 자바 프로그래밍(개정4판)

[1번] import java.util.Scanner; class myth implements Runnable{ public void run() { // TODO Auto-generated method stub System.out.println("스레드 시작"); for(int i=0;i

2020. 12. 8.

문제풀이/명품 자바 프로그래밍(개정4판)

[1번] import java.awt.Container; import java.awt.FlowLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.ItemEvent; import java.awt.event.ItemListener; import javax.swing.JButton; import javax.swing.JCheckBox; import javax.swing.JFrame; class MyFrame extends JFrame{ public MyFrame() { setTitle("CheckBox Practice Frame"); setDefaultCloseOperation(..

2020. 12. 7.

문제풀이/명품 자바 프로그래밍(개정4판)

[1번] import java.awt.BorderLayout; import java.awt.Color; import java.awt.Container; import java.awt.FlowLayout; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.awt.event.MouseListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTextField; class MyFrame extends JFrame{ public M..

2020. 12. 7.

문제풀이/명품 자바 프로그래밍(개정4판)

[1번] import javax.swing.JFrame; class MyFrame extends JFrame{ public MyFrame() { setTitle("Let's study Java"); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setSize(400,200); setVisible(true); } } public class p0901 { public static void main(String[] args) { // TODO Auto-generated method stub new MyFrame(); } } [2번] import java.awt.BorderLayout; import java.awt.Container; import javax.swing.JB..

2020. 12. 7.

문제풀이/명품 자바 프로그래밍(개정4판)

[1번] import java.io.File; import java.io.FileWriter; import java.io.IOException; import java.util.Scanner; public class p0801 { public static void main(String[] args) { // TODO Auto-generated method stub File f=null; FileWriter fw=null; Scanner sc=new Scanner(System.in); System.out.println("전화번호 입력 프로그램입니다."); String temp=""; try { f=new File("temp/phone.txt"); fw=new FileWriter(f); int c; while..

2020. 12. 7.

문제풀이/명품 자바 프로그래밍(개정4판)

[1번] import java.util.Scanner; import java.util.Vector; public class p0701 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner sc=new Scanner(System.in); Vector v=new Vector(); System.out.print("정수(-1이 입력될 때까지)>> "); while(true) { int n=sc.nextInt(); if(n==-1) { break; } v.add(n); } //최댓값 찾기위해 max를 0번째 수로 설정 int max=v.get(0); for(int i=1;iv.size()) { System.out...

2020. 12. 7.

문제풀이/명품 자바 프로그래밍(개정4판)

[1번] class MyPoint{ private int x,y; public MyPoint(int x,int y) { this.x=x; this.y=y; } public String toString() { return "Point("+x+","+y+")"; } public boolean equals(MyPoint p) { return this.x==p.x&&this.y==p.y; } } public class p0601 { public static void main(String[] args) { // TODO Auto-generated method stub MyPoint p=new MyPoint(3,50); MyPoint q=new MyPoint(4,50); System.out.println(p); i..

2020. 11. 22.

문제풀이/명품 자바 프로그래밍(개정4판)

1번. class TV{ private int size; public TV(int size) { this.size=size;} protected int getSize() { return size;} } class ColorTV extends TV{ private int colorSize; public ColorTV(int size,int colorSize) { super(size); this.colorSize=colorSize; } public void printProperty() { System.out.println(getSize()+"인치 "+colorSize+"컬러"); } } public class p0501 { public static void main(String[] args) { // TOD..

2020. 11. 22.