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  1. What is the difference between String[] and String... in Java?

    What's actually the difference between String[] and String... if any? The convention is to use String[] as the main method parameter, but using String... works too, since when you use …

  2. What does ${} (dollar sign and curly braces) mean in a string in ...

    Mar 7, 2016 · Functionally, it looks like it allows you to nest a variable inside a string without doing concatenation using the + operator. I'm looking for documentation on this feature. I'm looking …

  3. Java: how to initialize String []? - Stack Overflow

    Apr 1, 2010 · You can always write it like this . String[] errorSoon = {"Hello","World"}; For (int x=0;x<errorSoon.length;x++) // in this way u create a for loop that would like display the …

  4. How do I get a substring of a string in Python? - Stack Overflow

    Aug 31, 2016 · @gimel: Actually, [:] on an immutable type doesn't make a copy at all. While mysequence[:] is mostly harmless when mysequence is an immutable type like str, tuple, …

  5. Converting 'ArrayList<String> to 'String []' in Java - Stack Overflow

    Oct 28, 2010 · @lyuboslavkanev The problem is that having the generic type in Java isn't enough to actually create objects based on that type; not even an array (which is ridiculous, because …

  6. difference between new String [] {} and new String [] in java

    2. what is the diff between String array=new String[]; and String array=new String[]{}; The first won't compile for two reasons while the second won't compile for one reason. The common …

  7. c# - What's does the dollar sign ($"string") do? - Stack Overflow

    In String Interpolation, we simply prefix the string with a $ (much like we use the @ for verbatim strings). Then, we simply surround the expressions we want to interpolate with curly braces …

  8. How do I compare strings in Java? - Stack Overflow

    Apr 2, 2013 · If you make a new string like String str = new String("Testing") you end up creating a new string in the cache even if the cache already contains a string having the same content. In …

  9. What is the difference between String and string in C#?

    Aug 10, 2008 · System.String is a type in the CLR. When you use C# together with the CLR string will be mapped to System.String. Theoretically, you could implement a C#-compiler that …

  10. How do I check if a Sql server string is null or empty

    Plus one for the first answer (5 years later) to use both NULLIF() and coalesce to an empty string if company.OfferText is null. However, the 2nd NULLIF() call here serves no purpose, as if that …