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);接受從控制台輸入的字節 //BufferedReader br = new BufferedReader(isr); BufferedReader br =new BufferedReader(new InputStreamReader(System.in)); try { System.out.println("請輸入第一個數"); //從緩存中讀取一行的內容 String num1 = br.readLine(); System.out.println("請輸入第二個數"); 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+"大於"+fnum2); } if(fnum1<fnum2) { System.out.println(fnum1+"小於"+fnum2); } if(fnum1==fnum2) { System.out.println(fnum1+"等於"+fnum2); } } catch (IOException e) { System.out.println("無法判斷"); } } }