how to check if string is double or not in java
String decimalPattern = "([0-9]*)\\.([0-9]*)";
String number="20.00";
boolean match = Pattern.matches(decimalPattern, number);
System.out.println(match); //if true then decimal else nothow to check if string is double or not in java
String decimalPattern = "([0-9]*)\\.([0-9]*)";
String number="20.00";
boolean match = Pattern.matches(decimalPattern, number);
System.out.println(match); //if true then decimal else nothow to compare doubles in java
private static void testBdEquality()
{
BigDecimal a = new BigDecimal("2.00");
BigDecimal b = new BigDecimal("2.0");
System.out.println(a.equals(b)); // false
System.out.println(a.compareTo(b) == 0); // true
}Copyright © 2021 Codeinu
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