Update readme.md

Array/readme.md

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 In java arrays are obkects.
 1. Arrays in Java work differently than they do in C/C++.
 
-A Java array variable can also be declared like other variables with [] after the data type.
+2. A Java array variable can also be declared like other variables with [] after the data type.
 
-The variables in the array are ordered, and each has an index beginning from 0.
+3. The variables in the array are ordered, and each has an index beginning from 0.
 
-Java array can be also be used as a static field, a local variable, or a method parameter.
+4. Java array can be also be used as a static field, a local variable, or a method parameter.
 
-The size of an array must be specified by int or short value and not long.
+5. The size of an array must be specified by int or short value and not long.
 
-The direct superclass of an array type is Object.
+6. The direct superclass of an array type is Object.
 
-Every array type implements the interfaces Cloneable and java.io.Serializable.
+7. Every array type implements the interfaces Cloneable and java.io.Serializable.
 
 
 ## Creating, initializing and accessing