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
public class ArithmeticOperatorDemo { // Demonstrate the basic arithmetic operators. public static void main(String args[]) { // arithmetic using integers System.out.println("Integer Arithmetic"); int i = 1 + 1; int n = i * 3; int m = n / 4; int p = m - i; int q = -p; ...
Arithmetic operators are used in mathematical expression(数学表达式)in the same way that they are used in algebra(代数学). The Table 4.1 lists the arithmetic operators: Table 4.1 Arithmetic Operators The operands of the arithmetic operators must be of numeric type. You cannot use them on boolean...
String 不可变性天生具备线程安全,可以在多个线程中安全地使用。 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 St...
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...
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 ...
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?) ...
Requires the developer to catch any arithmetic exceptions that occur during block or expression evaluation. using System; short x = 32767; short y = 32767; checked { try { short z = y + z; } catch (OverflowException e) { //executed } } decimal Defines a 128 bit number. decimal d ...
Arithmetic operations. Statistical operations Trigonometric operations Permutations and Combinations Basic matrix operations Differential Calculus(Exact numerical accuracy achieved using symbolic differentiation) Integral Calculus(Numerical) Quadratic Equations