标签:nta key comment 转化 java 强制 system 自动 ati
public class Demo1 {
public static void main(String[] args) {
int a = 20;
int b = 30;
int c = 40;
int d = 25;
System.out.println(a+b);
System.out.println(a-b);
System.out.println(a*b);
System.out.println((double) c/d); //如果不进行强制转换小数后省略
}
}
public class Demo2 {
public static void main(String[] args) {
double a= 20.4;
float b = 30.4f;
long c = 20;
byte ff = 127;
byte f = 127;
?
System.out.println(ff+f); //在进行运算时,long以下自动转化为int,
// long以上如果出现更高容量转为更高容量进行运算
?
}
}
public class Demo3 {
public static void main(String[] args) {
int a = 10;
int b = 20;
int c = 30;
int d = 21;
System.out.println(a>b);
System.out.println(d%a);
System.out.println(d%b);
System.out.println(d%c); //%取余数运算
?
}
}
标签:nta key comment 转化 java 强制 system 自动 ati
原文地址:https://www.cnblogs.com/continue-student/p/14458250.html