Java(281)
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Java printStackTrace()
프로젝트 내 src 내 javabasic 패키지 내 ExFileWrite.java package javabasic; import java.io.FileWriter; import java.io.IOException; import java.util.Date; public class ExFileWrite { public static void main(String[] args) { // TODO Auto-generated method stub FileWriter fw = null; try { // fw=new FileWriter("C:\\java0901\\text1.txt");//파일이 없으면 새로생성,있으면 덮어씀 fw = new FileWriter("C:\\java0901\\text1.txt", true);..
2023.02.01 -
Java LineBorder(Color color)
프로젝트 내 src 내 javabasic 패키지 내 Ex8ButtonArray.java package javabasic; import java.awt.Color; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.border.LineBorder; public class Ex8ButtonArray extends JFrame implements ActionListener { JButton[] btn = new JButton[7]; JLabel lblC..
2023.02.01 -
Java awt setVisible(boolean b)
void java.awt.Window.setVisible(boolean b) setVisible(boolean b) 메서드는 파라메터 b 값에 따라서 이 Window를 보여주거나 숨긴다. 프로젝트 내 src 내 javabasic 패키지 내 Ex7ButtonArray.java package javabasic; import java.awt.Color; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.border.LineBorder; public cl..
2023.02.01 -
Java setBounds(int x, int y, int width, int height)
프로젝트 내 src 내 javabasic 패키지 내 Ex6Button.java package javabasic; import java.awt.Color; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; public class Ex6Button extends JFrame implements ActionListener { JButton btn1, btn2, btn3; public Ex6Button(String title) { // TODO Auto-generated constructor stub super(title); this...
2023.02.01 -
Java Icon
프로젝트 내 src 내 javabasic 패키지 내 Ex5Button.java package javabasic; import java.awt.Color; import java.awt.Font; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.Icon; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.border.LineBorder; public class Ex5Button extends JFrame { Ic..
2023.02.01 -
Java javax.swing.JButton
프로젝트 내 src 내 javabasic 패키지 내 Ex4Button.java package javabasic; import java.awt.BorderLayout; import java.awt.Color; import javax.swing.Icon; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; public class Ex4Button extends JFrame { Icon icon1 = new ImageIcon("C:\\java0901\\image\\swingimage\\img10.gif"); Icon icon2 = new ImageIcon("C:\\java0901\\image\\swingimag..
2023.02.01