Answer / g.arun

Dirty read - Changes made during a Transaction is 'visible'
to other parties

Non Repeatable Read -

if Transcation T1 reads a row and Transcation T2 changes
the same row,when T1 rereads and sees the changes made by
T2.Then this is Non - Repeatable Read

Phantom Read - If Transcation T1 retrieves a bunch of
rows.Transcation T2 inserts a row,T1 rereads the query and
if T1 see the additional row,it is a ghost row to T1 then
this is called as Phantom Read

What are the common uses of "this" keyword in java ?

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We are seeing so many videos/audios as many web sited. But question is these videos or audios are stored in Databases ( Oracle, Mysql, Sybase,... ) or stored any file directory from there they will give the link for that? Pls explain and give sample code to achieve this one? Thanks, Seenu.

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interface X{ void m1(); void m2(); } class Child2 extends Object implements X { public void m1(){ System.out.println("Child2 M1"); } public void m2(){ System.out.println("Child2 M2"); } } public class ParentChildInfterfaceDemo { public static void main(String[] args){ X x = new Child2(); X x1 = new Child2(); x.m1(); x.m2(); x.equals(x1); } } Will the above code work? If yes? Can you please explain why the code x.equals(x1) will work as the equals method is called on interface reference vaiable?

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if we give input as " hi how are you" then the output should be "uoy woh"...it should skip odd words in the input and should reverse even words from the end of string...can anyone help me to write this program in java

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________ exception must be either caught or specified in throws class of the method.

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