public void actionPerformed(ActionEvent e){
		Object o = e.getSource();
		if(o == tPause){
			if(tPause.isSelected())
				tPause.setText("Start");
			else
				tPause.setText("Pause");
			setPause();
		}else if(o == tComboBox){
			String tTime = (String)tComboBox.getSelectedItem();
			sleeptime = Integer.parseInt(tTime);
		}else if(o == tComboBox3){
			String tCount = (String)tComboBox3.getSelectedItem();
			int tPC = Integer.parseInt(tCount);
			if(tPC >= pointCount)
				pointCount = Integer.parseInt(tCount);
			else{
				s1.delete(0,pointCount - tPC);
				s2.delete(0,pointCount - tPC);
			}
		}else if(o == btnGC){
			String times = (String)tComboBox2.getSelectedItem();
			int tCount = Integer.parseInt(times);
			for(int i = 0; i < tCount; i++)
				System.gc();
		}
	}