srimanth@srimanth-Inspiron-N5110:~$ javap -verbose CCHD&CCHA/TimeForMapReduce/bin/practice/ArrayWritableX.class
Classfile /home/srimanth/CCHD&CCHA/TimeForMapReduce/bin/practice/ArrayWritableX.class
  Last modified 19 Apr, 2015; size 1234 bytes
  MD5 checksum 9a3d03ca0f126bf7ee65d14099108984
  Compiled from "ArrayWritableX.java"
public class practice.ArrayWritableX
  SourceFile: "ArrayWritableX.java"
  minor version: 0
  major version: 51

srimanth@srimanth-Inspiron-N5110:~$ javap -verbose org/apache/avro/mapred/AvroCollector.class
Classfile /home/srimanth/org/apache/avro/mapred/AvroCollector.class
  Last modified 18 Jul, 2014; size 603 bytes
  MD5 checksum d1a99c2d2ad48c8ed9d02d6b45708f70
  Compiled from "AvroCollector.java"
public abstract class org.apache.avro.mapred.AvroCollector<T extends java.lang.Object> extends org.apache.hadoop.conf.Configured
  Signature: #19                          // <T:Ljava/lang/Object;>Lorg/apache/hadoop/conf/Configured;
  SourceFile: "AvroCollector.java"
  minor version: 0
  major version: 50