谁能详细解释一下BigInteger setBit和BigInteger testBit的原理啊

BigInteger num = new BigInteger("0"); num = num.setBit(2); num = num.setBit(1); System.out.println(num); System.out.println(num.testBit(2))...

java.math.BigInteger.setBit(int n) 返回一个BigInteger,其值相当于BigInteger与指定的设置位。它计算 (this | (1<<n)). 声明 以下是java.math.BigInteger...

单一位操作不能产生与正在被操作的 BigInteger 符号...BigInteger setBit(int n) 返回其值与设置了指定...boolean testBit(int n) 当且仅当设置了指定的位...

BigInteger setBit(int n) Returns a BigInteger whose value is equivalent ...boolean testBit(int n) Returns true if and only if the designated bit ...

谁能解释一下Java中的BigInteger类是怎样实现 表示...BigInteger setBit(int n) 返回其值与设置了指定...boolean testBit(int n) 当且仅当设置了指定的位...

BigInteger.remainder BigInteger.setBit BigInteger.shiftLeft BigInteger.shiftRight BigInteger.signum BigInteger.subtract BigInteger.testBit BigInteger....

(BigInteger val); public int getLowestSetBit(); public int hashCode(); ...(); public BigInteger subtract(BigInteger val); public boolean testBit(int...

BigInteger setBit(int n) Returns a BigInteger whose value is equivalent ...boolean testBit(int n) Returns true if and only if the designated bit ...

testBit public boolean testBit(int throwsArithmeticException 如果设置了指定位则返回 true 0,则抛出arithmeticexception。 setBit public BigInteger setBit(int throws...

BigInteger setBit(int n) Returns a BigInteger whose value is equivalent to...boolean testBit(int n) Returns true if and only if the designated bit is...