Java扩展赋值运算符、条件运算符,三元运算
Java扩展运算符、连接符
public class Demo7 {
public static void main(String[] args) {
int a =10;
int b =20;
a+=b;//a=a+b
System.out.println(a);
a-=b;//a=a-b
System.out.println(a);
//字符串连接符 +,String
System.out.println(""+a+b);
}
}
条件运算符
public class Dome8 {
public static void main(String[] args) {
//x? y:z
//如果x==true,则结果为y,否则结果为z
int score=50;
String a=score<60?"不及格":"及格";
System.out.println(a);
}
}