import javax.swing.*;
import java.awt.*;
public class Time{
int hr, mt, sc;
public Time(){
hr = 0;
this.mt = 0;
}
public Time(int jhr, int jmt, int jsc){
this.setHour(jhr);
setMinute(jmt);
this.setSecond(jsc);
}
public void setHour(int xhr){
if(xhr < 24) hr = xhr;
else hr = 0;
}
public void setMinute(int xmt){
if(xmt < 60) mt = xmt;
else mt = 0;
}
public void setSecond(int xsc){
if(xsc < 60) sc = xsc;
else sc = 0;
}
public String toStandard(){
String t = "", tcd;
if(hr > 12) tcd = " P.M";
else tcd = " A.M";
if(hr % 12 < 10) t = t + "0" + hr % 12;
else t = t + hr;
t = t + ":";
if(mt < 10) t = t + "0" + mt;
else t = t + mt;
t = t + ":";
if(sc < 10) t = t + "0" + sc;
else t = t + sc;
t = t + tcd;
return t;
}
public String toString(){
String t = "";
if(hr < 10) t = t + "0" + hr;
else t = t + hr;
t = t + ":";
if(mt < 10) t = t + "0" + mt;
else t = t + mt;
t = t + ":";
if(sc < 10) t = t + "0" + sc;
else t = t + sc;
return t;
}
public void tick(){
// insert code to advance time by one second...
}
public static void main(String argv[]){
Time t1, t2;
t1 = new Time();
t2 = new Time(17, 45, 55);
System.out.println("hello world " + t1);
System.out.println(t2.toStandard());
//----------------------------------------------------------------
JFrame f = new JFrame("My Test Frame");
f.getContentPane().setLayout(new FlowLayout());
JButton button;
for(int i = 0; i < 10; i++){
button = new JButton("My Button");
f.getContentPane().add(button);
}
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setSize(200, 400);
f.setVisible(true);
}
}