[java ee programming] String format do not return foat!!

[kwan]

Problem with String.format which it expected to display the
information. The getChargePerDay and getMaxCharge are not display when
it return. I doubt what is the problem.

return String.format("%-30s $%5.2f $%7.2f %4$tm/%4$td/%4$ty",
getTitle(),
getChargePerDay(), getMaxCharge(), 
dueDate.getTime());


Thank you,

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[java ee programming] String Buffer multipel values

[aryan]

How to get multiple values in StringBuffer object or array from result
set?
What i want to do is, want to access values from data base and show
into select tag.
For example:-

ResultSet rs;
while (rs.next())
{
  //Access value into String buffer array/object
}

and show into


<%=value%>



earlier I was using array. but it is not grow able. so i want to use
String Buffer.
Can any one tell how can i achieved this .

Thanks in Advance!!
Regards
Sagar

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[java ee programming] string

[ANUJ KUMAR]

class test
{

public static void main(String args[])
{
 String x1 = "abc";
String x2 = "ab";
x2 = x2 + "c";
  System.out.println(x1==x2);

}
}
why does it print false?

in this case 3 objects will be formed in the string pool and they will be
("abc"),("ab").("c")and both the refrences x1,x2 will point to ("abc")
i concluded this from ->
To make Java more memory efficient,
the JVM sets aside a special area of memory called the “String constant
pool.” When
the compiler encounters a String literal, it checks the pool to see if an
identical String
already exists. If a match is found, the reference to the new literal is
directed to the
existing String, and no new String literal object is created.
Please tell me whats the flaw in what i am thinking
Thanks&Regards

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[java ee programming] string

[ANUJ KUMAR]

class test
{

public static void main(String args[])
{
 String x1 = "abc";
String x2 = "ab";
x2 = x2 + "c";
  System.out.println(x1==x2);

}
}
why does it print false?

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