File1:

PID Name City

10 Larry LA
11 Man NY
15 Lan SF

File 2:

PID No ZIP

15 7271 90032
10 8281 9547
22 9213 4321

Question:
I want to concatenate the data of these two files.Like if File1 has PID same as File 2 PID the data should be concatenated like this....
egCondition having same PID should be concatenated)
O/P(Should be like this)

PID Name City No ZIP

10 Larry LA 8281 9547
15 Lan SF 7271 90032

How should be the java code for this?

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