Java 2017.9.18 杨浩宁作业

public class Test {
    public static void main(String[] args){
        //输出一个长整型的变量 123456789012345
        long h = 123456789012345l;
        System.out.println(h);
        //输出一个单精度的小数常量 2.4
        float h1 = 2.4f;
        System.out.println(h1);
        //输出布尔类型的变量
        boolean h2 = true;
        System.out.println(h2);
        h2 = false;
        System.out.println(h2);
        //
        byte h3 = 3;
        h3 = (byte)(h3 + 200);
        System.out.println(h3);
        //输出字符型的加法计算
        System.out.println((char)('a' + 1));
        System.out.println((char)('我' + 1));
        //演示变量的溢出效果
        int h4 = integer.MAX_VALUE + 1;
        System.out.println(h4);
        //给x赋值，进行x=x/1000*1000的计算并输出结果
        /*
         * import java.util.Scanner;
public class Math{
   public static void main(String[] args)
   {
        Scanner input=new Scanner(System.in);
        double x;
        System.out.println("Enter the x ");
        x = Double.valueOf(input.nextDouble());
        x = x / 1000 * 1000;
        System.out.println("The calculation result is " + x);
   }
         * */
        
        
    }
}