Assignment operators include an implicit cast. : Assignment Operators « Operators « SCJP






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1. byte x = 2;
2. x += 3;

If this had been written using the longhand approach

1. byte x = 2;
2. x = (byte)(x + 3);








2.10.Assignment Operators
2.10.1.Assignment Operator Summary
2.10.2.Compound Assignment Operators
2.10.3.An arithmetic operator with = perform an operation on the variable on the left side and store the results in the variable.
2.10.4.a = b = c is evaluated as a = (b = c).
2.10.5.Simple assignment uses =
2.10.6.Assignment operators include an implicit cast.
2.10.7.Java uses the + and += operators to indicate concatenation for string values.
2.10.8.compound additive operator (+=) and Strings