For example, if a thrown exception object has class IllegalArgumentException, that indicates someone passed an illegal argument to a method. Sometimes you will want to indicate that a method encountered an abnormal condition that isn't represented by a class in the Throwable family of java.lang.
Actually, zero is neither a negative or a positive number. The whole idea of positive and negative is defined in terms of zero. Negative numbers are numbers that are smaller than zero, and positive numbers are numbers that are bigger than zero. Since zero isn't bigger or smaller than itself (just like you're not older than yourself, or taller than yourself), zero is neither positive nor negative.
It is not positive nor negative number. Zero digit. The zero digit is used as a placeholder when writing numbers. For example: 204 = 2Ã100+0Ã10+4Ã1. Zero number history Who invented the zero number? The modern 0 symbol was invented in India in the 6-th century, used later by the Persians and Arabs and later in Europe. Symbol of zero. The zero number is denoted with the 0 symbol.