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Latest Blog Posts for Java Tutorial for beginners

  • Julia: Integers
    on Jan 16, 2016
    Julia support following integer types. Type Number of Bits Minimum value Maximum value Int8 8 -128 127 UInt8 8 0 255 Int16 16 -32768 32767 UInt16 16 0 65535 Int32 32 -2147483648 2147483647 UInt32 32 0 4294967295 I...
  • Julia: get max and min values of integer types
    on Jan 16, 2016
    Julia provides typemin(type), typemax(type) function to get min and max values for given type.julia> print(typemin(Int8))-128julia> print(typemin(Int16))-32768julia> print(typemin(Int32))-2147483648julia> print(typemin(Int64))-92233720368...
  • Julia: get the type of the variable
    on Jan 15, 2016
    By using ‘typeof(variableName)’ function, you can get the type of the variable. Based on the value assigned to a variable, Julia infer the type.julia> a=1010julia> typeof(a)Int64julia> a="Hello""Hello"julia> typeof(a)ASCIIStringjulia&...
  • Julia: Specifying type of variable
    on Jan 15, 2016
    Julia is dynamically typed language, so you no need to specify the type of a variable. But in some cases, if you specify the type of a variable it improves the performance drastically. If you write type-stable code in your application, it improves th...
  • Julia: Check the type of variable
    on Jan 15, 2016
    Julia provides typeof(), isa() functions to check the type of variables.typeof(x)Return the type of variable x. julia> x="Hello";julia> typeof(x)ASCIIStringjulia> x=123.456;julia> typeof(x)Float64isa(x, type) -> BoolReturn true if x is...
  • Julia: comments
    on Jan 13, 2016
    Comments in Julia, makes the program more readable.Suppose you written thousand lines of program, with out proper documentation, after some time, for the developer of the application also, it is very difficult to figure out what was written.By using...
  • Julia: Installing new packages
    on Jan 13, 2016
  • Julia: command line arguments
    on Jan 12, 2016
    Julia provides an option like, a julia application can accept any number of arguments from command line. This option facilitates us to configure Application at the time of running. User should pass command line arguments, at the time of launching app...
  • Julia: Run system commands
    on Jan 12, 2016
    By using ‘run’ function, you can execute system commands.julia> run(`pwd`)/Users/harikrishna_gurramjulia> run(`cal`) December 2015Su Mo Tu We Th Fr Sa 6 7 8 9 10 11 1213 14 15 16 17 18 1920 21 22 23 24 25 2627 28 29 30 31Previous ...
  • Julia: Execute code in a file
    on Jan 12, 2016
    You can evaluate contents of a source file in two ways.a.   Using interactive sessionb.   Using julia commandFor example, helloworld.jl contains following data. helloworld.jlprintln("Hello world")println("Welcom...
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