import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class CompareNum { public static void main(String[] args) { //InputStreamReader isr = new InputStreamReader(System.in);接受从控制台输入的字节 //BufferedReader br = new BufferedReader(isr); BufferedReader br =new BufferedReader(new InputStreamReader(System.in)); try { System.out.println("请输入第一个数"); //从缓存中读取一行的内容 String num1 = br.readLine(); System.out.println("请输入第二个数"); String num2 = br.readLine(); //float fnum1 = Float.parseFloat(num1); //float fnum2 = Float.parseFloat(num2); int fnum1 = Integer.parseInt(num1); int fnum2 = Integer.parseInt(num2); //int fnum2 = Integer.parseInt(num2,16 ); if(fnum1>fnum2) { System.out.println(fnum1+"大于"+fnum2); } if(fnum1<fnum2) { System.out.println(fnum1+"小于"+fnum2); } if(fnum1==fnum2) { System.out.println(fnum1+"等于"+fnum2); } } catch (IOException e) { System.out.println("无法判断"); } } }