除数为0的情况11//System.out.println( 10 / 0 );12/**13整数相除,0作为除数时,编译没有语法错误14运行时产生算术异常:java.lang.ArithmeticException: / by zero15注意:16整数相除时,保证除数不能为0.17*/181920//小数相除时,除数为0运行通过,但是结果不是一个数。21System.out.pri
We can use arithmetic operators to perform calculations with values in programs. Arithmetic operators are used in mathematical expressions in the same way that they are used in algebra. A value used on either side of an operator is called an operand. For example, in below statement the expressi...
本书由浅入深、循序渐进地介绍了Java语言的发展、编程环境、开发工具、基本语法、面向对象编程、异常处理、线程、输入输出流、GUI编程、网络编程、数据库编程等内容,并结合大量的实例进行讲解。本书内容注重理论与实践结合,参考了Java在线官方文档及国内外优秀的Java程序设计教材的知识体系内容。针对中国学生英文水平及...
definition of the basic language. Java technology puts a stake in the ground and specifies the sizes of its basic data types and the behavior of its arithmetic operators. Your programs are the same on every platform--there are no data type incompatibilities across hardware and software ...
The following program, ArithmeticDemo, tests the arithmetic operators. class ArithmeticDemo { public static void main (String[] args) { int result = 1 + 2; // result is now 3 System.out.println("1 + 2 = " + result); int original_result = result; result = result - 1; // result...
Using Java Operators An operator takes one or more argument and produces a new value. The arguements are in a different form than ordinary method calls, but the effect is the same. + : addition and unary plus (another mean:string concatenation 这算不算Operators?) ...
For all arithmetic operators, the operation is carried out as though an exact intermediate result were first calculated and then rounded to the number of digits specified by the precision setting (if necessary), using the selected rounding mode. If the exact result is not returned, some digit ...
Program Creek : Why String is immutable in Java? (opens new window) (opens new window) #String, StringBuffer and StringBuilder 1. 可变性 String 不可变 StringBuffer 和 StringBuilder 可变 2. 线程安全 String 不可变,因此是线程安全的 StringBuilder 不是线程安全的 ...
Operations:The arithmetic operations are handled using if-else conditions based on the operator entered. Edge Case:Division by zero is checked to prevent errors. Result:The result is displayed to the user. Invalid Input:If an operator other than +, -, *, or / is entered, the program notifi...
2.11.3 Arithmetic Instructions The arithmetic instructions compute a result that is typically a function of two values on the operand stack, pushing the result back on the operand stack. There are two main kinds of arithmetic instructions: those operating on integer values and those operating on ...