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Bookmark or Share- How to directly initialize a HashMap (in a literal way)?The normal way would be this (for a local variable): Map
test = new HashMap (); test.put("test","test"); test.put("test1","test2"); If your test map is an instance variable, put the initialization in a constructor or instance initializer: - How to initialize a struct in accordance with C programming language ...In C99, you can use a designated initializer to initialize a structure: MY_TYPE a = { .flag = true, .value = 123, .stuff = 0.456 }; Other members are initialized as zero: "Omitted field members are implicitly initialized the same as objects that have static storage duration."
- How do I declare and initialize an array in Java? - Stack OverflowInitialize Array: int[] arr = new int[10]; 10 represents the number of elements allowed in the array. Declare Multidimensional Array: int[][] arr; Initialize Multidimensional Array: int[][] arr = new int[10][17]; 10 rows and 17 columns and 170 elements because 10 times 17 is 170. Initializing an array means specifying the size of it.
- How to initialize array to 0 in C? - Stack OverflowIf you'd like to initialize the array to values other than 0, with gcc you can do: int array[1024] = { [ 0 ... 1023 ] = -1 }; This is a GNU extension of C99 Designated Initializers. In older GCC, you may need to use -std=gnu99 to compile your code. edited May 10, 2016 at 18:49. Ciro Santilli OurBigBook.com.
- What is the difference between "instantiated" and "initialized"?A variable is initialized with a value. An object is instantiated when memory is allocated for it and it's constructor has been run. For instance here is a variable: Dim obj as Object. This variable has not been initialized. Once I assign a value to the obj variable, the variable will be initialized.
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