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Onlinetest.java
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Onlinetest.java
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import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class Onlinetest extends JFrame implements ActionListener
{
JLabel l;
JRadioButton jb[]=new JRadioButton[5];
JButton b1,b2;
ButtonGroup bg;
int count=0,current=0,x=1,y=1,now=0;
int m[]=new int[10];
Onlinetest(String s)
{
super(s);
l=new JLabel();
add(l);
bg=new ButtonGroup();
for(int i=0;i<5;i++)
{
jb[i]=new JRadioButton();
add(jb[i]);
bg.add(jb[i]);
}
b1=new JButton("Next");
b2=new JButton("Bookmark");
b1.addActionListener(this);
b2.addActionListener(this);
add(b1);add(b2);
set();
l.setBounds(30,40,450,20);
jb[0].setBounds(50,80,100,20);
jb[1].setBounds(50,110,100,20);
jb[2].setBounds(50,140,100,20);
jb[3].setBounds(50,170,100,20);
b1.setBounds(100,240,100,30);
b2.setBounds(270,240,100,30);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLayout(null);
setLocation(250,100);
setVisible(true);
setSize(600,350);
}
public void actionPerformed(ActionEvent e)
{
if(e.getSource()==b1)
{
if(check())
count=count+1;
current++;
set();
if(current==9)
{
b1.setEnabled(false);
b2.setText("Result");
}
}
if(e.getActionCommand().equals("Bookmark"))
{
JButton bk=new JButton("Bookmark"+x);
bk.setBounds(480,20+30*x,100,30);
add(bk);
bk.addActionListener(this);
m[x]=current;
x++;
current++;
set();
if(current==9)
b2.setText("Result");
setVisible(false);
setVisible(true);
}
for(int i=0,y=1;i<x;i++,y++)
{
if(e.getActionCommand().equals("Bookmark"+y))
{
if(check())
count=count+1;
now=current;
current=m[y];
set();
((JButton)e.getSource()).setEnabled(false);
current=now;
}
}
if(e.getActionCommand().equals("Result"))
{
if(check())
count=count+1;
current++;
//System.out.println("correct ans="+count);
JOptionPane.showMessageDialog(this,"correct ans="+count);
System.exit(0);
}
}
void set()
{
jb[4].setSelected(true);
if(current==0)
{
l.setText("Que1: Which one among these is not a primitive datatype?");
jb[0].setText("int");jb[1].setText("Float");jb[2].setText("boolean");jb[3].setText("char");
}
if(current==1)
{
l.setText("Que2: Which class is available to all the class automatically?");
jb[0].setText("Swing");jb[1].setText("Applet");jb[2].setText("Object");jb[3].setText("ActionEvent");
}
if(current==2)
{
l.setText("Que3: Which package is directly available to our class without importing it?");
jb[0].setText("swing");jb[1].setText("applet");jb[2].setText("net");jb[3].setText("lang");
}
if(current==3)
{
l.setText("Que4: String class is defined in which package?");
jb[0].setText("lang");jb[1].setText("Swing");jb[2].setText("Applet");jb[3].setText("awt");
}
if(current==4)
{
l.setText("Que5: Which institute is best for java coaching?");
jb[0].setText("Dheeraj Notes");jb[1].setText("Aptech");jb[2].setText("SSS IT");jb[3].setText("jtek");
}
if(current==5)
{
l.setText("Que6: Which one among these is not a keyword?");
jb[0].setText("class");jb[1].setText("int");jb[2].setText("get");jb[3].setText("if");
}
if(current==6)
{
l.setText("Que7: Which one among these is not a class? ");
jb[0].setText("Swing");jb[1].setText("Actionperformed");jb[2].setText("ActionEvent");
jb[3].setText("Button");
}
if(current==7)
{
l.setText("Que8: which one among these is not a function of Object class?");
jb[0].setText("toString");jb[1].setText("finalize");jb[2].setText("equals");
jb[3].setText("getDocumentBase");
}
if(current==8)
{
l.setText("Que9: which function is not present in Applet class?");
jb[0].setText("init");jb[1].setText("main");jb[2].setText("start");jb[3].setText("destroy");
}
if(current==9)
{
l.setText("Que10: Which one among these is not a valid component?");
jb[0].setText("JButton");jb[1].setText("JList");jb[2].setText("JButtonGroup");
jb[3].setText("JTextArea");
}
l.setBounds(30,40,450,20);
for(int i=0,j=0;i<=90;i+=30,j++)
jb[j].setBounds(50,80+i,200,20);
}
boolean check()
{
if(current==0)
return(jb[1].isSelected());
if(current==1)
return(jb[2].isSelected());
if(current==2)
return(jb[3].isSelected());
if(current==3)
return(jb[0].isSelected());
if(current==4)
return(jb[2].isSelected());
if(current==5)
return(jb[2].isSelected());
if(current==6)
return(jb[1].isSelected());
if(current==7)
return(jb[3].isSelected());
if(current==8)
return(jb[1].isSelected());
if(current==9)
return(jb[2].isSelected());
return false;
}
public static void main(String s[])
{
new Onlinetest("Online Test Of Java");
}
}