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

    String array = new String[10]{}; //The line you mentioned above Was wrong because you are defining an array of length 10 ([10]), then defining an array of length 0 ({}), and trying to set them to the same …

  2. What is the purpose of the expression "new String(...)" in Java?

    Regardless of the answers on how/why new String(String) should be used, s = new String("Hello World") where the parameter is a literal does not make sense in Java, and probably never will.

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

    String[] errorSoon; // <--declared statement String[] errorSoon = new String[100]; // <--initialized statement You need to initialize the array so it can allocate the correct memory storage for the String …

  4. java - What is the difference between "text" and new String ("text ...

    Jun 16, 2010 · 230 new String("text"); explicitly creates a new and referentially distinct instance of a String object; String s = "text"; may reuse an instance from the string constant pool if one is available. …

  5. Java Strings: "String s = new String ("silly");" - Stack Overflow

    Dec 3, 2008 · String str1 = "foo"; String str2 = "foo"; Both str1 and str2 belongs to tha same String object, "foo", b'coz for Java manages Strings in StringPool, so is a new variable refers to the same …

  6. java - What does "String []::new" mean? - Stack Overflow

    String[]::new is a method reference expression and it must be assigned/casted to a certain functional interface type at compile time: A method reference expression is used to refer to the invocation of a …

  7. How to initialize List<String> object in Java? - Stack Overflow

    Nov 15, 2012 · We created soyuz-to to simplify 1 problem: how to convert X to Y (e.g. String to Integer). Constructing of an object is also kind of conversion so it has a simple function to construct Map, List, …

  8. java - What's the use of new String [0] in toArray (new String [0 ...

    Aug 8, 2013 · There are two styles to convert a collection to an array: either using a pre-sized array (like c.toArray(new String[c.size()])) or using an empty array (like c.toArray(new String[0]). In older Java …

  9. Java- Creating String object using new keyword - Stack Overflow

    Feb 10, 2015 · I know the difference between String literal and new String object and also know how it works internally. My question is a little bit advance of this. When we create String object using new …

  10. java - Strings [= new String vs = ""] - Stack Overflow

    Oct 11, 2013 · String objects created with the new operator do not refer to objects in the string pool but can be made to using String’s intern() method. The java.lang.String.intern() returns an interned …