码迷,mamicode.com
首页 > 编程语言 > 详细

java例

时间:2016-03-06 15:31:54      阅读:162      评论:0      收藏:0      [点我收藏+]

标签:

例一:

class DataDemo01{
public static void main(String[] args){
int num =999999999999999999999999;
}
}

技术分享

例二:

class DataDemo02{
public static void main(String[] args){
int max =Integer.MAX_VALUE;
System.out.println("整型的最大值:"+max);
System.out.println("整型最大值 +1:"+(max+1));
System.out.println("整型最大值 +2:"+(max+2));
}

}
技术分享

例三:

public class DataDemo03{
public static void main(String[] args){
int max =Integer.MAX_VALUE;
System.out.println("整型的最大值:"+max);
System.out.println("整型最大值 +1:"+(max+1));
System.out.println("整型最大值 +2:"+(max+2L));
System.out.println("整型最大值 +2:"+((long)max+2));
}
}

技术分享

例四:

public class DataDemo04{
public static void main(String[] args){
char ch1=‘a‘;
char ch2=97;
System.out.println("ch1 = "+ch1);
System.out.println("ch2 = "+ch2);

}
}

技术分享

例五:

public class DataDemo05{
public static void main(String[] args){
char ch1=‘\"‘;
char ch2=‘\\‘;
System.out.println("ch1 = "+ch1);
System.out.println("ch2 = "+ch2);
System.out.println("\"Hello World\"");
}
}

技术分享

例六:

public class DataDemo06{
public static void main(String[] args){
float num=3.0f;
System.out.println("两个小数相乘:"+num*num);
}
}

技术分享

例七:

public class DataDemo07{
public static void main(String[] args){
boolean flag=true;
System.out.println("flag = "+flag);
}
}

技术分享

java例

标签:

原文地址:http://www.cnblogs.com/hell/p/5247312.html

(0)
(0)
   
举报
评论 一句话评论(0
登录后才能评论!
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!