数据结构的使用：使用一个栈，将十进制转换为二进制 （使用java语言编写）

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import java.util.Scanner;
import java.util.Stack;

public class TestNumTran {

public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
System.out.println("请输入需要转换的数字：");
int num = scan.nextInt();
int ocNum = num;
Stack stack = new Stack();
int flag = 0;
while(num != 0) {
flag = num%2;
if(flag == 0 ) {
stack.push(0);
} else {
stack.push(1);
}
num = num/2;
}
System.out.print(ocNum + "转换成二进制为：");
while(!stack.empty()) {
System.out.print(stack.peek());
stack.pop();
}
}
}

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