double varible 2 decimals numbers code example

Example 1: php float 2 decimais

$foo = "105";
echo number_format((float)$foo, 2, '.', '');

Example 2: how to set 2 decimal places in java

DecimalFormat df = new DecimalFormat();
df.setMaximumFractionDigits(2);
System.out.println(df.format(decimalNumber));