C:\jtest\sample\sortDemo\mySort>javac sortTest.java
Note: sortTest.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.

C:\jtest\sample\sortDemo\mySort>java sortTest
Original data ..
921  175.0  60.0
911  172.0  58.0
933  168.0  58.0
915  168.5  56.8
938  170.0  68.5
=== ===
After Arrays.sort(x)
911  172.0  58.0
915  168.5  56.8
921  175.0  60.0
933  168.0  58.0
938  170.0  68.5
=== ===
After Arrays.sort(x, 0, x.length, ar3)
921  175.0  60.0
911  172.0  58.0
938  170.0  68.5
915  168.5  56.8
933  168.0  58.0
=== ===
After Arrays.sort(x, 0, x.length, lee4)
938  170.0  68.5
921  175.0  60.0
911  172.0  58.0
933  168.0  58.0
915  168.5  56.8
=== ===

C:\jtest\sample\sortDemo\mySort>