Java - String Concatenation Operators / Chapter -3 /Operator & Assignments

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  1. This (+) is the only overloaded operator in java.Sometimes it acts as "Arithmetic operators" and Sometimes it acts as "String Concatenation Operators".
  2. If both arguments are number  type then it acts as "Arithmetic Addition Operator".
  3. If at least one argument is String type then (+)operators act as "String Concatenation Operators".
example 1:-
                String a="javabychetan";
                int b=10,c=20,d=30;
               System.out.println(a+b+c+d);        o/p is              javabychetan102030
               System.out.println(b+c+d+a);       o/p is               60javabychetan
               System.out.println(b+c+a+d);       o/p is               30javabychetan30
               System.out.println(b+a+c+d);       o/p is               10javabychetan2030
       
  •                explanation of the first System.out.println(a+b+c+d);
           
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  •               explanation of the Second System.out.println(b+c+d+a);



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 Next:Chapter -4 /Operators & Assignment /Relational Operators

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