How to get first and last element in an array in java

Question

If I have an array of doubles     10 2  20  11 1  21  31  12  22 5  32  42  13 6  23  32  43 3  53  14  24  34  44  54  64  15 1  25  35  45  55  65 3  75 4  16  26  17 5     and I want to get the first element and last element so that  firstNum   10 2  lastNum   17 5   how would I do this

User · Answer

If you have a double array named  numbers  you can use   firstNum   numbers 0   lastNum   numbers numbers length-1     or with ArrayList  firstNum   numbers get 0   lastNum   numbers get numbers size   - 1

User · Answer

This is the given array               int myIntegerNumbers      1 2 3 4 5 6 7 8 9 10        If you want print the last element in the array       int lastNumerOfArray  myIntegerNumbers 9       Log i  MyTag   lastNumerOfArray             If you want to print the number of element in the array       Log i  MyTag    The number of elements inside                 the array    myIntegerNumbers length        Second method to print the last element inside the array       Log i  MyTag    The last elements inside                  the array     myIntegerNumbers myIntegerNumbers length-1

User · Answer

I think there is only one intuitive solution and it is   int   someArray    1 2 3 4 5   int first   someArray 0   int last   someArray someArray length - 1   System out println  First      first     n     Last      last     Output   First  1 Last  5

User · Answer

Check this  double   myarray        System out println myarray myarray length-1      last System out println myarray 0      first

User · Answer

Array of doubles double   array doubles    2 5  6 2  8 2  4846 354  9 6       First position double firstNum   array doubles 0      2 5     Last position double lastNum   array doubles array doubles length - 1      9 6   This is the same in any array

User · Answer

Getting first and last elements in an array in Java  int   a   new int   1  8  5  9  4    First Element  a 0   Last Element  a a length-1

[java] How to get first and last element in an array in java?

Examples related to java

Examples related to arrays