for loop problem
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for loop problem
Имам следният код:
public class childPanel extends JPanel{
public childPanel(String imgPath,Vector town){
img=Toolkit.getDefaultToolkit().getImage(imgPath);
this.town=town;
}
public void paintComponent(Graphics g){
super.paintComponent(g);
g.drawImage(img,0,0,this);
g.setColor(Color.black);
int i=0;
for(int i=0;i<town.size();i++)
Town Town=(Town)town.elementAt(i);
g.fillRect(Town.x,Town.y,Town.x+5,Town.y+5);
}
}
private Image img;
private Vector town;
}
------------------
public class Town{
Town(String name,int x,int y){
this.name=name;
this.x=x;
this.y=y;
}
private String name;
public int x;
public int y;
}
----------------------------------------------
Проблемът е следният. При for loop i не се увеличава. Защо???
public class childPanel extends JPanel{
public childPanel(String imgPath,Vector town){
img=Toolkit.getDefaultToolkit().getImage(imgPath);
this.town=town;
}
public void paintComponent(Graphics g){
super.paintComponent(g);
g.drawImage(img,0,0,this);
g.setColor(Color.black);
int i=0;
for(int i=0;i<town.size();i++)
Town Town=(Town)town.elementAt(i);
g.fillRect(Town.x,Town.y,Town.x+5,Town.y+5);
}
}
private Image img;
private Vector town;
}
------------------
public class Town{
Town(String name,int x,int y){
this.name=name;
this.x=x;
this.y=y;
}
private String name;
public int x;
public int y;
}
----------------------------------------------
Проблемът е следният. При for loop i не се увеличава. Защо???
Re: for loop problem
Моля за извинение. Има грешка по горе.
public class childPanel extends JPanel{
public childPanel(String imgPath,Vector town){
img=Toolkit.getDefaultToolkit().getImage(imgPath);
this.town=town;
}
public void paintComponent(Graphics g){
super.paintComponent(g);
g.drawImage(img,0,0,this);
g.setColor(Color.black);
for(int i=0;i<town.size();i++){
Town Town=(Town)town.elementAt(i);
g.fillRect(Town.x,Town.y,Town.x+5,Town.y+5);
}
}
private Image img;
private Vector town;
}
-----------------------
public class Town{
Town(String name,int x,int y){
this.name=name;
this.x=x;
this.y=y;
}
private String name;
public int x;
public int y;
}
public class childPanel extends JPanel{
public childPanel(String imgPath,Vector town){
img=Toolkit.getDefaultToolkit().getImage(imgPath);
this.town=town;
}
public void paintComponent(Graphics g){
super.paintComponent(g);
g.drawImage(img,0,0,this);
g.setColor(Color.black);
for(int i=0;i<town.size();i++){
Town Town=(Town)town.elementAt(i);
g.fillRect(Town.x,Town.y,Town.x+5,Town.y+5);
}
}
private Image img;
private Vector town;
}
-----------------------
public class Town{
Town(String name,int x,int y){
this.name=name;
this.x=x;
this.y=y;
}
private String name;
public int x;
public int y;
}
Re: for loop problem
Пич, за дебъгер чувал ли си? Пусни го и всичко ще ти каже.
П.С. поне малко да беше форматирал кода
П.С. поне малко да беше форматирал кода
Re: for loop problem
И това и дето си го дефинирал отвън, и после като променлива на цикъла - нещо не е хубав стил........