What is float in Java

Question

I wrote this code    float b   3 6    and I get this    Error Unresolved compilation problem       Type mismatch  cannot convert from double to float   Why   Whats the definition of float

User · Answer

The thing is that decimal numbers defaults to double  And since double doesn t fit into float you have to tell explicitely you intentionally define a float  So go with   float b   3 6f

User · Answer

Make it  float b  3 6f       A floating-point literal is of type float if it is suffixed with an ASCII letter F or f  otherwise its type is double and it can optionally be suffixed with an ASCII letter D or d    Read More

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In JAVA  values like     8 5 3 9  and so on      Is assumed as double and not float   You can also perform a cast in order to solve the problem   float b    float  3 5   Another solution   float b   3 5f

User · Answer

In Java  when you type a decimal number as 3 6  its interpreted as a double  double is a 64-bit precision IEEE 754 floating point  while floatis a 32-bit  precision IEEE 754 floating point  As a float is less precise than a double  the conversion cannot be performed implicitly   If you want to create a float  you should end your number with f  i e   3 6f    For more explanation  see the primitive data types definition of the Java tutorial

[java] What is float in Java?

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