请教一下 我觉得这个size和fields.length, labels.length 应该相等啊！为什么不可以把fields.length, labels.length 换成size呢？
还有最后面的那段黑体我也觉得
if(strings.length != size)
throw new IllegalArgumentException("There must be"+size+"string in arraystring");
他们本来就应该相等啊！
package ui;
import java.awt.*;
import javax.swing.*;
import javax.swing.border.*;

public class StudentUI extends JPanel{
protected JLabel labels[];
protected JTextField fields[];
protected JButton doTask1,doTask2;
protected JPanel innerPanelCenter,innerPanelSouth;
protected int size;
public static final int SNO=0,SNAME=1,SSEX=2,SAGE=3,SDEPT=4;
public StudentUI(String arrayString[])
{
size=arrayString.length;
labels=new JLabel[size];
fields=new JTextField[size];
for(int count=0;count<labels.length;count++)
{
labels[count]=new JLabel(arrayString[count]);
}
for(int count=0;count<fields.length;count++)
{
fields[count]=new JTextField();
}
innerPanelCenter=new JPanel();
innerPanelCenter.setLayout(new GridLayout(size,2));
for(int count=0;count<size;count++)
{
innerPanelCenter.add(labels[count]);
innerPanelCenter.add(fields[count]);
}
doTask1=new JButton();
doTask2=new JButton();
innerPanelSouth=new JPanel();
innerPanelSouth.add(doTask1);
innerPanelSouth.add(doTask2);
setLayout(new BorderLayout());
add(innerPanelCenter,BorderLayout.CENTER);
add(innerPanelSouth,BorderLayout.SOUTH);
setBorder(BorderFactory.createBevelBorder(BevelBorder.RAISED));
validate();

}
public JButton getDoTask1Button()
{
return doTask1;
}
public JButton getDoTask2Button()
{
return doTask2;
}
public JTextField[] getFields()
{
return fields;
}
public void clearFields()
{
for(int count=0;count<size;count++)
{
fields[count].setText("");
}
}
public void setFieldValues(String strings[]) throws IllegalArgumentException
{
if(strings.length != size)
throw new IllegalArgumentException("There must be"+size+"string in arraystring");
for(int count=0;count<size;count++)
{
fields[count].setText(strings[count]);
}
}
public String[] getFieldsValues()
{
String values[]=new String[size];
for(int count=0;count<size;count++)
values[count]=fields[count].getText();
return values;
}
//public static void main(String[] args) {
//}
}