Output at command prompt can be saved in a .txt file

Some times we need to save the output wat we got on command prompt in a file for further operation n all,

while doing my Project work , i was simply playing with command prompt and during that we need a way

to save the output in a .txt file, that is very simple which is explained 

first suppose u want to save the output of a hello.java file then type the following 

c:\user\vinish\folder1>javac hello.java

then type

 c:\user\vinish\folder1>java hello > out.txt

ur out put is saved in out.txt