[英]convert decimal to binary
代码大部分都完成了,但我的代码打印不正确,它的打印结果是 110 而不是 011。我做的问题需要将“110”反转为“011”
import java.util.Scanner;
public class LabProgram {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
int num, binaryNum = 0;
int i = 1, rem;
num = scan.nextInt();
while (num != 0)
{
rem = num % 2;
num /= 2;
binaryNum += rem * i;
i *= 10;
}
System.out.println(binaryNum);
}
}
然后使用如下字符串:
int num = scan.nextInt();
String s = "";
while (num != 0) {
int rem = num % 2;
num /= 2;
s = s + rem; // this concatenates the digit to the string in reverse order.
// if you want it in normal order, do it -> s = rem + s;
}
System.out.println(s);
您可以简单地使用 Integer#toBinaryString(int) 将结果作为二进制字符串返回。
Scanner scan = new Scanner(System.in);
int value = scan.nextInt();
System.out.println(Integer.toBinaryString(value));
您可以直接打印每个二进制数字,而无需将其存储在binaryNum
while (num != 0) {
System.out.print(num % 2);
num /= 2;
}
System.out.println();
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