java 练习题

//程序员：孙梦婷   

import java.util.Scanner;

public class TingGeGe{
public static void main(String[] args){
long l=123456789012345l;
System.out.print("长整数的的值是："+l+"\n");

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

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

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

System.out.print((char)(‘a‘+1)+"\n");
System.out.print((char)(‘你‘+1)+"\n");

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

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

}
}

java 练习题

原文：http://www.cnblogs.com/TingGeGe/p/7590596.html