标签:
例一:
class DataDemo01{
public static void main(String[] args){
int num =999999999999999999999999;
}
}
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));
}
}
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));
}
}
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);
}
}
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\"");
}
}
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);
}
}
例七:
public class DataDemo07{
public static void main(String[] args){
boolean flag=true;
System.out.println("flag = "+flag);
}
}
标签:
原文地址:http://www.cnblogs.com/hell/p/5247312.html