Java reserved decimal places

Ava retains two decimal places:

Method 1:

Rounding

Double F = 111231.5585;

Bigdecimal B = new bigdecimal (f );

Double F1 = B. setscale (2, bigdecimal. round_half_up). doublevalue ();

Retain two decimal places

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Method 2:

Java. Text. decimalformat df = new java. Text. decimalformat ("#. 00 ");

DF. Format (the number you want to format );

Example: New java. Text. decimalformat ("#. 00"). Format (3.1415926)

#. 00 indicates two decimal places #. 0000 four decimal places and so on...

Method 3:

Double D = 3.1415926;

String result = string. Format ("%. 2f ");

%. 2f %. indicates any number of digits before the decimal point. 2 indicates that the result of two decimal places is f indicating the floating point type.

Method 4:

Numberformat ddf1 = numberformat. getnumberinstance ();

Void setmaximumfractiondigits (INT digits)

Number of digits displayed by digits

Sets the maximum number of digits displayed after the decimal point for the formatted object. The last digit is rounded.

Import java. Text .*;

Import java. Math .*;

Class TT

{

Public static void main (string ARGs [])

{Double X = 23.5455;

Numberformat ddf1 = numberformat. getnumberinstance ();

Ddf1.setmaximumfractiondigits (2 );

String S = ddf1.format (X );

System. Out. Print (s );

}

}