我在编写JApplet的页面的时候发现在web中的java框就那么大,我需要大点不知道怎么设置,请高手指点一下
import java.awt.*;
import java.awt.event.*;
import java.text.*;
import javax.swing.*;public class BinarySearch extends JApplet implements ActionListener{
JLabel enterLabel,resultLabel;
JTextField enterField,resultField;
JTextArea output;
int array[];
String display="";
public void init()
{
Container container=getContentPane();
container.setLayout(new FlowLayout());
enterLabel=new JLabel("Enter integer search key");
container.add(enterLabel);
enterField=new JTextField(10);
container.add(enterField);
enterField.addActionListener(this);
resultLabel=new JLabel("Result");
container.add(resultLabel);
resultField=new JTextField(20);
resultField.setEditable(false);
container.add(resultField);
output=new JTextArea(6,60);
output.setFont(new Font("Monospaced",Font.PLAIN,12));
container.add(output);
array=new int[15];
for(int counter=0;counter<array.length;counter++)
array[counter]=2*counter;
}
public void actionPerformed(ActionEvent actionEvent)
{
String searchKey=actionEvent.getActionCommand();
display="Portions of array searched\n";
int element=binarySearch(array,Integer.parseInt(searchKey));
output.setText(display);
if(element!=-1)
resultField.setText("Found value in element"+element);
else
resultField.setText("Value not found");
}
public int binarySearch(int array2[],int key)
{
int low=0;
int high=array2.length-1;
int middle;
while(low<=high){
middle=(low+high)/2;
buildOutput(array2,low,middle,high);
if(key==array[middle])
return middle;
else if (key<array[middle])
high=middle-1;
else
low=middle+1;
}
return -1;
}
void buildOutput(int array3[],int low,int middle,int high)
{
DecimalFormat twoDigits=new DecimalFormat("00");
for(int counter=0;counter<array3.length;counter++){
if(counter<low||counter>high)
display+=" ";
else if(counter==middle)
display+=twoDigits.format(array3[counter])+"* ";
else
display+=twoDigits.format(array3[counter])+" ";
}
display+="\n";
}
}
import java.awt.*;
import java.awt.event.*;
import java.text.*;
import javax.swing.*;public class BinarySearch extends JApplet implements ActionListener{
JLabel enterLabel,resultLabel;
JTextField enterField,resultField;
JTextArea output;
int array[];
String display="";
public void init()
{
Container container=getContentPane();
container.setLayout(new FlowLayout());
enterLabel=new JLabel("Enter integer search key");
container.add(enterLabel);
enterField=new JTextField(10);
container.add(enterField);
enterField.addActionListener(this);
resultLabel=new JLabel("Result");
container.add(resultLabel);
resultField=new JTextField(20);
resultField.setEditable(false);
container.add(resultField);
output=new JTextArea(6,60);
output.setFont(new Font("Monospaced",Font.PLAIN,12));
container.add(output);
array=new int[15];
for(int counter=0;counter<array.length;counter++)
array[counter]=2*counter;
}
public void actionPerformed(ActionEvent actionEvent)
{
String searchKey=actionEvent.getActionCommand();
display="Portions of array searched\n";
int element=binarySearch(array,Integer.parseInt(searchKey));
output.setText(display);
if(element!=-1)
resultField.setText("Found value in element"+element);
else
resultField.setText("Value not found");
}
public int binarySearch(int array2[],int key)
{
int low=0;
int high=array2.length-1;
int middle;
while(low<=high){
middle=(low+high)/2;
buildOutput(array2,low,middle,high);
if(key==array[middle])
return middle;
else if (key<array[middle])
high=middle-1;
else
low=middle+1;
}
return -1;
}
void buildOutput(int array3[],int low,int middle,int high)
{
DecimalFormat twoDigits=new DecimalFormat("00");
for(int counter=0;counter<array3.length;counter++){
if(counter<low||counter>high)
display+=" ";
else if(counter==middle)
display+=twoDigits.format(array3[counter])+"* ";
else
display+=twoDigits.format(array3[counter])+" ";
}
display+="\n";
}
}
import java.awt.event.*;
import java.text.*;
import javax.swing.*;public class BinarySearch extends JApplet implements ActionListener{
JLabel enterLabel,resultLabel;
JTextField enterField,resultField;
JTextArea output;
int array[];
String display="";
public void init()
{
Container container=getContentPane();
container.setLayout(new FlowLayout());
enterLabel=new JLabel("Enter integer search key");
container.add(enterLabel);
enterField=new JTextField(10);
container.add(enterField);
enterField.addActionListener(this);
resultLabel=new JLabel("Result");
container.add(resultLabel);
resultField=new JTextField(20);
resultField.setEditable(false);
container.add(resultField);
output=new JTextArea(6,60);
output.setFont(new Font("Monospaced",Font.PLAIN,12));
container.add(output);
array=new int[15];
for(int counter=0;counter<array.length;counter++)
array[counter]=2*counter;
}
public void actionPerformed(ActionEvent actionEvent)
{
String searchKey=actionEvent.getActionCommand();
display="Portions of array searched\n";
int element=binarySearch(array,Integer.parseInt(searchKey));
output.setText(display);
if(element!=-1)
resultField.setText("Found value in element"+element);
else
resultField.setText("Value not found");
}public int binarySearch(int array2[],int key)
{
int low=0;
int high=array2.length-1;
int middle;
while(low<=high){
middle=(low+high)/2;
buildOutput(array2,low,middle,high);
if(key==array[middle])
return middle;
else if (key<array[middle])
high=middle-1;
else
low=middle+1;
}
return -1;
}
void buildOutput(int array3[],int low,int middle,int high)
{
DecimalFormat twoDigits=new DecimalFormat("00");
for(int counter=0;counter<array3.length;counter++){
if(counter<low||counter>high)
display+=" ";
else if(counter==middle)
display+=twoDigits.format(array3[counter])+"* ";
else
display+=twoDigits.format(array3[counter])+" ";
}
display+="\n";
}
}//width=200 height=300