Integer.parse(String str) java.lang.NumberFormatException: Errors

Question

I keep getting number format expectations, even though I\'m trimming the strings and they don\'t contain non numerical characters bizarrely it works for some numbers and not

Answer 1

    String n="3020857508";
    Long l = Long.parseLong(n.trim());
    System.out.println(l);

Integer MAX_VALUE : 2147483647, Long MAX_VALUE : 9223372036854775807

As string n will not fit in Integer after conversion we have to use Long.

And if you are still not sure about range that can come in String. go with BigIntegerwhere number is held in an int[]

Answer 2

In Java, the integer range is from -2,147,483,648 to 2,147,483,647 make sure your numeric value is between the same.