logging a file

writefile.java

Writer test_log = null;	
// write txt files
test_log = new FileWriter("test_log.txt");
	
for(int i=0; i<checkpoint_values.neighborMap.size(); i=i+2 )
{
	test_log.write(checkpoint_values.neighborMap.get(i) + "\t" + 
	checkpoint_values.neighborMap.get(i + 1) + "\r\n");
}
	
test_log.flush();