Java 学习指南_学习Java：运算符总结

发表于 | 分类于

运算符总结Summary of Operators

一下快速参考总结了Java编程语言所支持的运算符。

赋值运算符

1
=     赋值 Simple assignment operator

数学运算符

1
2
3
4
5
6
+       加法/字符串链接Additive operator (also used
        for String concatenation)
-       减法Subtraction operator
*       乘法Multiplication operator
/       除法Division operator
%       取余数Remainder operator

一元运算符

1
2
3
4
5
6
7
8
9
10
11
+       一元正号操作，可省略Unary plus operator; indicates
        positive value (numbers are 
        positive without this, however)
-       一元负号操作，取相反数Unary minus operator; negates
        an expression
++      自增操作，表达式值增加1.Increment operator; increments
        a value by 1
--      自减操作，表达式值减少1.Decrement operator; decrements
        a value by 1
!       逻辑否操作，取反。Logical complement operator;
        inverts the value of a boolean

相等及关系运算

1
2
3
4
5
6
==      等于Equal to
!=      不等于Not equal to
>       大于Greater than
>=      大于等于Greater than or equal to
<       小于Less than
<=      小于等于Less than or equal to

条件运算Conditional Operators

1
2
3
4
&&      条件与运算Conditional-AND
||      条件或运算Conditional-OR
?:      三木运算Ternary (shorthand for 
        if-then-else statement 简便的if-then-else形式)

类比较运算Type Comparison Operator

1
2
instanceof      将一个对象与具体的类，接口比较Compares an object to 
                a specified type

位运算与位移运算Bitwise and Bit Shift Operators

1
2
3
4
5
6
7
~       一元补码运算Unary bitwise complement
<<      有符号左位移Signed left shift
>>      有符号右位移Signed right shift
>>>     无符号右位移Unsigned right shift
&       位与运算Bitwise AND
^       位异或运算Bitwise exclusive OR
|       位或运算Bitwise inclusive OR
Enjoy it ? Donate me ! 欣赏此文？支持一下 !