This is just a simple program to memorize French verbs. It utilizes the
System.currentTimeMillis() method to determine the verb to be displayed. User input is also taken into account. Verbs that are answered wrong by the user will appear more often.
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274 | import java.awt.*;
import java.awt.event.*;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;
import javax.swing.*;
import javax.swing.event.*;
public class WordMemorizer extends JFrame{
private JButton bstart=null;
private int idtemp;
private ArrayList<String> alid=null;
private ArrayList<String> alfr=null;
private ArrayList<String> alen=null;
private ArrayList<String> alval=null;
private ArrayList<String> altime=null;
private JLabel lfr=null;
private ButtonGroup bg=null;
private JRadioButton lena,lenb,lenc,lend=null;
public WordMemorizer(){
super("Word Memorizer");
setSize(400,400);
bstart=new JButton("NEXT");
bstart.addActionListener(new ButtonHandler());
alid=new ArrayList<String>();
alfr=new ArrayList<String>();
alen=new ArrayList<String>();
alval=new ArrayList<String>();
altime=new ArrayList<String>();
lfr=new JLabel();
bg=new ButtonGroup();
lena=new JRadioButton();
lena.addActionListener(new RadioHandler());
lenb=new JRadioButton();
lenb.addActionListener(new RadioHandler());
lenc=new JRadioButton();
lenc.addActionListener(new RadioHandler());
lend=new JRadioButton();
lend.addActionListener(new RadioHandler());
bg.add(lena); bg.add(lenb); bg.add(lenc); bg.add(lend);
setLayout(new BorderLayout());
JPanel pmain=new JPanel();
GridBagConstraints gbc = new GridBagConstraints();
gbc.gridx = 0;
gbc.gridy = 0;
gbc.insets=new Insets(5,0,0,0);
pmain.setLayout(new GridBagLayout());
pmain.add(lfr);
gbc.gridy++;
pmain.add(lena,gbc);
gbc.gridy++;
pmain.add(lenb,gbc);
gbc.gridy++;
pmain.add(lenc,gbc);
gbc.gridy++;
pmain.add(lend,gbc);
add("Center",pmain);
add("South",bstart);
showWord();
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
show();
}
class RadioHandler implements ActionListener{
public void actionPerformed(ActionEvent e){
boolean answer=false;
if(e.getSource()==lena){
String stemp=lena.getText();
if(stemp.equals(alen.get(Integer.valueOf(idtemp).intValue()))){
answer=true;
}
}
if(e.getSource()==lenb){
String stemp=lenb.getText();
if(stemp.equals(alen.get(Integer.valueOf(idtemp).intValue()))){
answer=true;
}
}
if(e.getSource()==lenc){
String stemp=lenc.getText();
if(stemp.equals(alen.get(Integer.valueOf(idtemp).intValue()))){
answer=true;
}
}
if(e.getSource()==lend){
String stemp=lend.getText();
if(stemp.equals(alen.get(Integer.valueOf(idtemp).intValue()))){
answer=true;
}
}
FileWriter fw=null;
try{
fw=new FileWriter("French.txt");
}catch(IOException ex){
}
BufferedWriter bw=new BufferedWriter(fw);
try{
for(int i=0;i<alid.size();i++){
if(alfr.get(i).equals(lfr.getText())){
altime.set(i,System.currentTimeMillis()+"");
int result=Integer.valueOf(alval.get(i)).intValue();
if(answer==true){
result=result+1;
alval.set(i,result+"");
}
else{
result=result-1;
alval.set(i,result+"");
}
}
String stemp=alid.get(i)+"|"+alfr.get(i)+"|"+alen.get(i)+"|"+alval.get(i)+"|"+altime.get(i);
bw.write(stemp,0,stemp.length());
bw.newLine();
}
}catch(Exception ex){
}
try{
bw.close();
}catch(Exception ex){
}
}
}
class ButtonHandler implements ActionListener{
public void actionPerformed(ActionEvent e){
showWord();
}
}
public void showWord(){
idtemp=0;
alid.clear();
alfr.clear();
alen.clear();
alval.clear();
altime.clear();
lfr.setText("");
bg.clearSelection();
lena.setText("");
lenb.setText("");
lenc.setText("");
lend.setText("");
try{
InputStreamReader isr=new InputStreamReader(new FileInputStream("French.txt"),"UTF-8");
Scanner sc=new Scanner(isr);
while(sc.hasNext()){
String st=sc.nextLine().trim();
StringTokenizer stoken=new StringTokenizer(st,"|");
st=stoken.nextToken();
alid.add(st.trim());
st=stoken.nextToken();
alfr.add(st.trim());
st=stoken.nextToken();
alen.add(st.trim());
st=stoken.nextToken();
alval.add(st.trim());
st=stoken.nextToken();
altime.add(st.trim());
isr.close();
}
}catch(Exception ex){
System.err.println(ex);
}
boolean valcatch=false;
for(int i=0;i<alval.size();i++){
if(Integer.valueOf(alval.get(i)).intValue()<3){
valcatch=true;
}
}
if(valcatch==false){
lfr.setText("Finish!");
FileWriter fw=null;
try{
fw=new FileWriter("French.txt");
}catch(IOException ex){
}
BufferedWriter bw=new BufferedWriter(fw);
try{
for(int i=0;i<alid.size();i++){
alval.set(i,"0");
String curtime=System.currentTimeMillis()+"";
altime.set(i,curtime);
String stemp=alid.get(i)+"|"+alfr.get(i)+"|"+alen.get(i)+"|"+alval.get(i)+"|"+altime.get(i);
bw.write(stemp,0,stemp.length());
bw.newLine();
}
}catch(Exception ex){
}
try{
bw.close();
}catch(Exception ex){
}
return;
}
Double timetemp=Double.valueOf(altime.get(0)).doubleValue();
for(int i=1;i<altime.size();i++){
if(Double.valueOf(altime.get(i)).doubleValue()<timetemp){
if(Integer.valueOf(alval.get(i)).intValue()<3){
idtemp=Integer.valueOf(alid.get(i));
break;
}
}
}
System.out.println(idtemp);
lfr.setText(alfr.get(idtemp));
Random rand=new Random();
String ans[]={alen.get(idtemp),"","",""};
for(int i=1;i<4;i++){
while(true){
String stemp=alen.get(rand.nextInt(alen.size()));
if(!ans[0].equals(stemp)&&!ans[1].equals(stemp)&&!ans[2].equals(stemp)&&!ans[3].equals(stemp)){
ans[i]=stemp;
break;
}
}
}
for(int i=0;i<4;i++){
while(true){
String stemp=ans[rand.nextInt(4)];
boolean val=false;
if(!lena.getText().equals(stemp)&&!lenb.getText().equals(stemp)&&!lenc.getText().equals(stemp)&&!lend.getText().equals(stemp)){
switch(i){
case 0:
lena.setText(stemp);
val=true;
break;
case 1:
lenb.setText(stemp);
val=true;
break;
case 2:
lenc.setText(stemp);
val=true;
break;
case 3:
lend.setText(stemp);
val=true;
break;
}
}
if(val==true)
break;
}
}
}
public static void main(String[] args){
new WordMemorizer();
}
}
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