귀속

논리:
순서
분기
순환하다
:
      system.out……
for(int i=0;i      system.out... (출력이 없으면 순환 조건이 성립되지 않음)
}

귀속
종료 방법은 리턴을 쓰면 됩니다.
1. 알고리즘이 통용된다.
2. 종료 조건이 있습니다.
자신을 호출하는 것이 아니라 호출하는 방법의 내용은 자신과 같다.
창고
더미: 일반적으로 일종의 무질서한 구조로 일반적으로 창설된 대상을 유지한다.heap
스택 오버플로우
사귀환은 프로그램의 퇴출을 초래할 수 있다
데드 사이클
도구류
200ms 일시 중지
try{
     Thread.sleep(200);
}catch(Exception ef){}
슬라이더
java.swing.JSlider js=new java.swing.JSlider();
this.add(js);
js.setValue(255);
값 js를 얻습니다.getValue();
SliderListener sl=new SliderListener();
최대값, 최소값, js를 설정합니다.setMaximum(10);

js.addChangeListener(sl);
삼각형 코드:

 

import java.awt.Dimension; 

import java.awt.Graphics; 

import java.awt.event.MouseListener; 

import java.awt.event.MouseMotionListener; 

 

import javax.swing.JFrame; 

 

 

 

public class triangle extends JFrame{ 

 

 /** 

 * @param args 

 */ 

 

 public static void main(String[] args) { 

 // TODO Auto-generated method stub 

 triangle tr=new triangle(); 

 tr.InitGUI(); 

 } 

 private void InitGUI() { 

 // TODO Auto-generated method stub 

// this.setTitle(" ")； 

 this.setSize(new Dimension(700,600)); 

 this.setLocationRelativeTo(null); 

 this.setDefaultCloseOperation(3); 

 this.setVisible(true); 

 Graphics g=this.getGraphics(); 

 MouseListener bl=new Listener(g); 

 this.addMouseListener(bl); 

 

 } 

 

} 

 listener： 

import java.awt.Graphics; 

import java.awt.event.MouseEvent; 

import java.awt.event.MouseListener; 

 

public class Listener implements MouseListener { 

 

 private Graphics g; 

 public Listener(Graphics g){ 

 this.g=g; 

 } 

 

 public void draw(Graphics g,int a1,int a2,int b1,int b2,int c1,int c2, int count){ 

 int d1,d2,e1,e2,f1,f2; 

 count++; 

 g.drawLine(a1, a2, b1, b2); 

 g.drawLine(c1, c2, b1, b2); 

 g.drawLine(a1, a2, c1, c2); 

 if (count>=6){return;} 

 d1=(a1+b1)/2; 

 d2=(a2+b2)/2; 

 e1=(a1+c1)/2; 

 e2=(a2+c2)/2; 

 f1=(c1+b1)/2; 

 f2=(c2+b2)/2; 

 draw(g,a1,a2,e1,e2,d1,d2,count); 

 draw(g,b1,b2,d1,d2,f1,f2,count); 

 draw(g,c1,c2,e1,e2,f1,f2,count); 

 } 

 

 @Override 

 public void mouseClicked(MouseEvent arg0) { 

 // TODO Auto-generated method stub 

 

 } 

 

 @Override 

 public void mouseEntered(MouseEvent arg0) { 

 // TODO Auto-generated method stub 

 

 } 

 

 @Override 

 public void mouseExited(MouseEvent arg0) { 

 // TODO Auto-generated method stub 

 

 } 

 

 @Override 

 public void mousePressed(MouseEvent arg0) { 

 // TODO Auto-generated method stub 

 draw(g,300,50,100,(int)(200*Math.sqrt(3))+50,500,(int)(200*Math.sqrt(3))+50,0); 

 } 

 

 @Override 

 public void mouseReleased(MouseEvent arg0) { 

 // TODO Auto-generated method stub 

 

 } 

 

} 

 

 ： 

import java.awt.Dimension; 

import java.awt.Graphics; 

import java.awt.event.MouseListener; 

import java.awt.event.MouseMotionListener; 

 

import javax.swing.JFrame; 

 

 

 

public class square extends JFrame{ 

 

 /** 

 * @param args 

 */ 

 

 public static void main(String[] args) { 

 // TODO Auto-generated method stub 

 square tr=new square(); 

 tr.InitGUI(); 

 } 

 private void InitGUI() { 

 // TODO Auto-generated method stub 

 

 this.setSize(new Dimension(700,700)); 

 this.setLocationRelativeTo(null); 

 this.setDefaultCloseOperation(3); 

 this.setVisible(true); 

 Graphics g=this.getGraphics(); 

 MouseListener bl=new Listener3(g); 

 this.addMouseListener(bl); 

 

 } 

 

} 

 

 ： 

import java.awt.Graphics; 

import java.awt.event.MouseEvent; 

import java.awt.event.MouseListener; 

 

public class Listener3 implements MouseListener { 

 

 private Graphics g; 

 public Listener3(Graphics g){ 

 this.g=g; 

 } 

 

 public void draw(Graphics g,int x1,int x2,int h,int w, int count){ 

 

 if (count==0){g.draw3DRect(x1, x2, h, w, false);} 

 count++; 

 g.fill3DRect(x1+(int)(h/3), x2+(int)(h/3), (int)(h/3), (int)(h/3), false); 

 if (count>=6){return;} 

 draw(g,x1,x2,(int)(h/3),(int)(h/3),count); 

 draw(g,x1+(int)(h/3),x2,(int)(h/3),(int)(h/3),count); 

 draw(g,x1,x2+(int)(h/3),(int)(h/3),(int)(h/3),count); 

 draw(g,x1+(int)(h/3),x2+(int)(h/3),(int)(h/3),(int)(h/3),count); 

 

 draw(g,x1+(int)(h/3)*2,x2,(int)(h/3),(int)(h/3),count); 

 draw(g,x1+(int)(h/3),x2+(int)(h/3)*2,(int)(h/3),(int)(h/3),count); 

 draw(g,x1+(int)(h/3)*2,x2+(int)(h/3)*2,(int)(h/3),(int)(h/3),count); 

 

 draw(g,x1,x2+(int)(h/3)*2,(int)(h/3),(int)(h/3),count); 

 draw(g,x1+(int)(h/3)*2,x2+(int)(h/3),(int)(h/3),(int)(h/3),count); 

 

 } 

 

 @Override 

 public void mouseClicked(MouseEvent arg0) { 

 // TODO Auto-generated method stub 

 

 } 

 

 @Override 

 public void mouseEntered(MouseEvent arg0) { 

 // TODO Auto-generated method stub 

 

 } 

 

 @Override 

 public void mouseExited(MouseEvent arg0) { 

 // TODO Auto-generated method stub 

 

 } 

 

 @Override 

 public void mousePressed(MouseEvent arg0) { 

 // TODO Auto-generated method stub 

 draw(g,50,50,600,600,0); 

 } 

 

 @Override 

 public void mouseReleased(MouseEvent arg0) { 

 // TODO Auto-generated method stub 

 

 } 

 

}

귀속

좋은 웹페이지 즐겨찾기