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BigDecimal big = new BigDecimal(2<<999) 或 BigDecimal big = new BigDecimal(1<<1000)
BigInteger b1= new BigInteger("2");
System.out.println(b1.pow(1000));
public static BigDecimal executeOneSound(BigDecimal b,int count){
int i=0;
BigDecimal result=b;
while(i<count){
result=result.multiply(b);
i++;
}
return result;
}
public static void main(String[] args) {
BigDecimal b=new BigDecimal(2);
System.out.println(executeOneSound(b,1000));
}
System.out.println(Math.pow(2, 1000) );