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);
}
* */
}
}