下面是Java語言支持的賦值運(yùn)算符：
| 操作符 | 描述 | 例子 |
|---|---|---|
| = | 簡單的賦值運(yùn)算符，將右操作數(shù)的值賦給左側(cè)操作數(shù) | C = A + B將把A + B得到的值賦給C |
| + = | 加和賦值操作符，它把左操作數(shù)和右操作數(shù)相加賦值給左操作數(shù) | C + = A等價于C = C + A |
| - = | 減和賦值操作符，它把左操作數(shù)和右操作數(shù)相減賦值給左操作數(shù) | C - = A等價于C = C - A |
| * = | 乘和賦值操作符，它把左操作數(shù)和右操作數(shù)相乘賦值給左操作數(shù) | C * = A等價于C = C * A |
| / = | 除和賦值操作符，它把左操作數(shù)和右操作數(shù)相除賦值給左操作數(shù) | C / = A等價于C = C / A |
| （％）= | 取模和賦值操作符，它把左操作數(shù)和右操作數(shù)取模后賦值給左操作數(shù) | C％= A等價于C = C％A |
| << = | 左移位賦值運(yùn)算符 | C << = 2等價于C = C << 2 |
| >> = | 右移位賦值運(yùn)算符 | C >> = 2等價于C = C >> 2 |
| ＆= | 按位與賦值運(yùn)算符 | C＆= 2等價于C = C＆2 |
| ^ = | 按位異或賦值操作符 | C ^ = 2等價于C = C ^ 2 |
| | = | 按位或賦值操作符 | C | = 2等價于C = C | 2 |
面的簡單示例程序演示了賦值運(yùn)算符。復(fù)制并粘貼下面的Java程序并保存為Test.java文件，然后編譯并運(yùn)行這個程序：
public class Test {
public static void main(String args[]) {
int a = 10;
int b = 20;
int c = 0;
c = a + b;
System.out.println("c = a + b = " + c );
c += a ;
System.out.println("c += a = " + c );
c -= a ;
System.out.println("c -= a = " + c );
c *= a ;
System.out.println("c *= a = " + c );
a = 10;
c = 15;
c /= a ;
System.out.println("c /= a = " + c );
a = 10;
c = 15;
c %= a ;
System.out.println("c %= a = " + c );
c <<= 2 ;
System.out.println("c <<= 2 = " + c );
c >>= 2 ;
System.out.println("c >>= 2 = " + c );
c >>= 2 ;
System.out.println("c >>= a = " + c );
c &= a ;
System.out.println("c &= 2 = " + c );
c ^= a ;
System.out.println("c ^= a = " + c );
c |= a ;
System.out.println("c |= a = " + c );
}
}
以上實例編譯運(yùn)行結(jié)果如下：
c = a + b = 30 c += a = 40 c -= a = 30 c *= a = 300 c /= a = 1 c %= a = 5 c <<= 2 = 20 c >>= 2 = 5 c >>= 2 = 1 c &= a = 0 c ^= a = 10 c |= a = 10
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