Java learning notes-Arrays, learning notes-arraysCommon Arrays Methods
Arrays. toString (int [] a) method -------> the return type is String, which can be used to generate printable representation of the array. This avoids reading array values
1. Definition and initialization of character Arrays
The easiest way to initialize a character array is to assign characters to each element in the array one by one.
Char STR [10] = {'I', '', 'A', 'M','', 'h', 'A', 'P ', 'P', 'y '};
Assign 10
We understand that in JAVASCRIPT, object attributes and methods can be accessed in array mode. But it is generally impossible.
Why? This is because, through this method, objects can be operated more conveniently, And we can define a class. Instead
Use the object as an array in PHP ??????? We understand that in JAVASCRIPT, object attributes and methods can be accessed in array mode. But it is generally impossible .??????? Why? This is because, through this method, objects can be operated more
1. Definition and initialization of character ArraysThe easiest way to initialize a character array is to assign characters to each element in the array one by one.Char str [10] = {'I', '', 'A', 'M','', 'h', 'A', 'P ', 'P', 'y '};Assign 10
Arrays Common methodsArrays.tostring (int[] a) method-------> Return type is string, which can be used to produce a printable representation of an array, avoiding the use of loops to read the array values sequentially to printArrays.sort (int[] a)
I found a lot of good information when studying the stm32 serial port to receive sending interruptions, and now the backup is here. For your reference and convenience.
TC === txe
By the way, I will write a post about serial port data processing
The following is a detailed analysis of common functions in PHP. For more information, see array_change_key_case. the returned string key names are all lowercase or upper-case arrays.
Array_chunk-divide an array into multiple
Array_combine-creates
Based on common functions in PHP. Array_change_key_case-array array_chunk whose return string key names are all lowercase or uppercase-split an array into multiple array_combine-create an array, returns an array with the array value array_change_key_
Math Function:10 commonly used red labels.
Abs-absolute valueAcos-arccosineAcossh-inverse hyperbolic cosineAsin-arcsinAsinh-inverse hyperbolic sineAtan2-arc tangent of Two ParametersAtan-arc tangentAtanh-antihyperbolic tangentBase_convert-convert a
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