Convert a number to 2 decimal places in Java

Question

I want to convert a number to a 2 decimal places  Always show two decimal places  in runtime  I tried some code but it only does  as shown below   20 03034  gt  gt  20 03  20 3  gt  gt  20 3    my code only rounds not converts     however  I want it to do this    20 03034  gt  gt  20 03  20 3  gt  gt  20 30  convert it to two decimal places    My code below   angle   a variable angle screen    a variable  DecimalFormat df   new DecimalFormat          angle   Double valueOf df format angle    angle screen setText String valueOf angle    tmp     Any help on how to do this would be great  thanks

User · Answer

DecimalFormat df new DecimalFormat  0 00      Use this code to get exact two decimal points  Even if the value is 0 0 it will give u 0 00 as output   Instead if you use     DecimalFormat df new DecimalFormat    00        It wont convert 0 2659 into 0 27  You will get an answer like  27

User · Answer

Try this  String format    2f   angle

User · Answer

try this new DecimalFormat    00     update       double angle   20 3034       DecimalFormat df   new DecimalFormat    00        String angleFormated   df format angle       System out println angleFormated     output 20 30   Your code wasn t using the decimalformat correctly  The 0 in the pattern means an obligatory digit  the   means optional digit   update 2  check bellow answer  If you want 0 2677 formatted as 0 27 you should use new DecimalFormat  0 00    otherwise it will be  27

User · Answer

Try  DecimalFormat df   new DecimalFormat      0 00

[java] Convert a number to 2 decimal places in Java

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