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    import java.util.Scanner; //表示输入

    public class Operation

    {
      public static void main(String[] args)  //打印处提示

      {
        long l=123456789012345l;
        System.out.print("这个长整数的的值是:"+l+" ");

        float f=2.4f;
        System.out.print("这个单精度的小数是:"+f+" ");

        boolean b=true;
        b=false;
        System.out.print("这个布尔型变量的值是:"+b+" ");

        byte _b=3;
        _b=(byte)(_b+200);
        System.out.print(_b);

        System.out.print((char)('a'+1)+" "); //输出两个字符型
        System.out.print((char)('你'+1)+" ");

        int e=Integer.MAX_VALUE+1; //
        System.out.print(e);

        @SuppressWarnings("resource") 
        Scanner input=new Scanner(System.in); //可以输入了
        double t;  //打印
        System.out.print("Enter the x "+" ");
        t = Double.valueOf(input.nextDouble());
        t=t/1000*1000;
        System.out.print("The calculation result is " + t +" ");


      }
    }

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  • 原文地址:https://www.cnblogs.com/stenber/p/7787211.html
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