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Division in Java vs. VB

Division is performed differently in Java and VB.  Java, like other C-based languages truncates the division result when both operands are integer literals or integer variables (or integer constants).  In VB, you must use the integer division operator (\) to get a similar result.

e.g.,

Java:

double d = 5 / 3;  //assigns 1 to d (truncated since both operands are integers)

VB - Option Strict On:

Dim d As Double = 5 / 3  'assigns 1.666... to d

Dim d As Double = 5 \ 3  'assigns 1 to d

VB - Option Strict Off:

With Option Strict Off in VB, the results can be confusing.  In the following example, contrary to what you might expect, 1 is not produced in both cases:

Dim d As Double = 5.4 \ 3  'assigns 1 to d

Dim d As Double = 5.6 \ 3  'assigns 2 to d

With Option Strict Off, VB first rounds the integer division operands (the first case rounds 5.4 to 5 and the second rounds 5.6 to 6), before truncating the division result.  With Option Strict On, this would not compile.


Use Java to VB Converter and VB to Java Converter to convert between Java and VB.NET.     

Additional resource: VB.NET and Java Equivalents


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