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10 Arrays
-
Zero
-
based
-
Each element contains same type of data
Create like a variable, but use square brackets
String[] MyStringArray ;
int
[] MyIntegerArray ;
Also can put [] after variable
:
String MyStringArray[] ;
int
MyIntegerArray[] ;
To specify number of elements, use
new
statement
:
int
MyArray[]
=
new
int
[100]
Can set value at time of creation
:
String MyArray[]
=
{
"a"
,
"b"
,
"c"
}
MyArray[1]
+
MyArray[2]
// this gives "ab"
Array is an object. It has properties and methods
:
.length
//number of elements in the array (not the maximum element number)
Two dimensional array
:
int
MyArray [] []
=
new
int
[50[ [50]
There is no way to modify the size of an array after it has been created
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