Multiple assignment at once in java












1















In python you can do this:



def f():

    return 1, 2, 3

(foo, bar, baz) = f()


Is there an equivalent in java?






java assign







share|improve this question





























    1















    In python you can do this:



    def f():
    
    return 1, 2, 3
    
(foo, bar, baz) = f()


    Is there an equivalent in java?






    java assign







    share|improve this question



























      1












      1








      1








      In python you can do this:



      def f():
      
    return 1, 2, 3
      
(foo, bar, baz) = f()


      Is there an equivalent in java?






      java assign







      share|improve this question
















      In python you can do this:



      def f():
      
    return 1, 2, 3
      
(foo, bar, baz) = f()


      Is there an equivalent in java?






      java assign




      java assign






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Nov 16 '14 at 13:40







      qed

















      asked Nov 16 '14 at 13:15









      qedqed

      9,9341269118




      9,9341269118
























          2 Answers
          2






          active

          oldest

          votes


















          4














          tl;dr: No, there isn't such a thing in Java.



          You can assign initial values to variables like this:



          int foo = 1, bar = 2;


          But if your want (1, 2, 3) to be the result of a method call, this is not possible in Java. Java does not allow returning multiple values.



          Python allows this:



          def foo():
          
    return 1, 2, 3
          

          
a, b, c = foo()


          The main point, why this does not work in Java is, that the left hand side (LHS) of the assignment must be one variable:



          Wrapper wrapper = WrapperGenrator.generateWrapper();


          You can not assign to a tuple on the LHS as you can in Python.






          share|improve this answer

































            0














            If you want (1,2,3) to be the result of a method call, you can use an array:



            int arr = {1,2,3};





            share|improve this answer



















            • 1





              What about the type of this array? What if is more complex than int?

              – user1907906
              Nov 16 '14 at 13:21













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            2 Answers
            2






            active

            oldest

            votes








            2 Answers
            2






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            4














            tl;dr: No, there isn't such a thing in Java.



            You can assign initial values to variables like this:



            int foo = 1, bar = 2;


            But if your want (1, 2, 3) to be the result of a method call, this is not possible in Java. Java does not allow returning multiple values.



            Python allows this:



            def foo():
            
    return 1, 2, 3
            

            
a, b, c = foo()


            The main point, why this does not work in Java is, that the left hand side (LHS) of the assignment must be one variable:



            Wrapper wrapper = WrapperGenrator.generateWrapper();


            You can not assign to a tuple on the LHS as you can in Python.






            share|improve this answer






























              4














              tl;dr: No, there isn't such a thing in Java.



              You can assign initial values to variables like this:



              int foo = 1, bar = 2;


              But if your want (1, 2, 3) to be the result of a method call, this is not possible in Java. Java does not allow returning multiple values.



              Python allows this:



              def foo():
              
    return 1, 2, 3
              

              
a, b, c = foo()


              The main point, why this does not work in Java is, that the left hand side (LHS) of the assignment must be one variable:



              Wrapper wrapper = WrapperGenrator.generateWrapper();


              You can not assign to a tuple on the LHS as you can in Python.






              share|improve this answer




























                4












                4








                4







                tl;dr: No, there isn't such a thing in Java.



                You can assign initial values to variables like this:



                int foo = 1, bar = 2;


                But if your want (1, 2, 3) to be the result of a method call, this is not possible in Java. Java does not allow returning multiple values.



                Python allows this:



                def foo():
                
    return 1, 2, 3
                

                
a, b, c = foo()


                The main point, why this does not work in Java is, that the left hand side (LHS) of the assignment must be one variable:



                Wrapper wrapper = WrapperGenrator.generateWrapper();


                You can not assign to a tuple on the LHS as you can in Python.






                share|improve this answer















                tl;dr: No, there isn't such a thing in Java.



                You can assign initial values to variables like this:



                int foo = 1, bar = 2;


                But if your want (1, 2, 3) to be the result of a method call, this is not possible in Java. Java does not allow returning multiple values.



                Python allows this:



                def foo():
                
    return 1, 2, 3
                

                
a, b, c = foo()


                The main point, why this does not work in Java is, that the left hand side (LHS) of the assignment must be one variable:



                Wrapper wrapper = WrapperGenrator.generateWrapper();


                You can not assign to a tuple on the LHS as you can in Python.







                share|improve this answer














                share|improve this answer



                share|improve this answer








                edited Nov 16 '14 at 13:27

























                answered Nov 16 '14 at 13:16







                user1907906
































                    0














                    If you want (1,2,3) to be the result of a method call, you can use an array:



                    int arr = {1,2,3};





                    share|improve this answer



















                    • 1





                      What about the type of this array? What if is more complex than int?

                      – user1907906
                      Nov 16 '14 at 13:21


















                    0














                    If you want (1,2,3) to be the result of a method call, you can use an array:



                    int arr = {1,2,3};





                    share|improve this answer



















                    • 1





                      What about the type of this array? What if is more complex than int?

                      – user1907906
                      Nov 16 '14 at 13:21
















                    0












                    0








                    0







                    If you want (1,2,3) to be the result of a method call, you can use an array:



                    int arr = {1,2,3};





                    share|improve this answer













                    If you want (1,2,3) to be the result of a method call, you can use an array:



                    int arr = {1,2,3};






                    share|improve this answer












                    share|improve this answer



                    share|improve this answer










                    answered Nov 16 '14 at 13:20









                    EranEran

                    288k37467557




                    288k37467557








                    • 1





                      What about the type of this array? What if is more complex than int?

                      – user1907906
                      Nov 16 '14 at 13:21
















                    • 1





                      What about the type of this array? What if is more complex than int?

                      – user1907906
                      Nov 16 '14 at 13:21










                    1




                    1





                    What about the type of this array? What if is more complex than int?

                    – user1907906
                    Nov 16 '14 at 13:21







                    What about the type of this array? What if is more complex than int?

                    – user1907906
                    Nov 16 '14 at 13:21




















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