java is digit
The java.lang.Character.isDigit(char ch) is an inbuilt method in java which determines whether a specified character is a digit or not. // two characters char c1 = 'A', c2 = '4'; // Function to check if the character // is digit or not System.out.println( c1 + " is a digit -> " + Character.isDigit(c1)); System.out.println( c2 + " is a digit -> " + Character.isDigit(c2));
how to check if number is integer in java
if(x == (int)x){ println("x is an integer"); }
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