package string;
public class Example1 {
public static void main(String[] args) {
String str;
double n = 18;
double m = 2;
str = n + "+" + m;
System.out.println(str);
}
}
在上述代码中,str是怎么把m和n转换为String的?
package string;
public class Example1 {
public static void main(String[] args) {
String str;
double n = 18;
double m = 2;
str = n + "+" + m;
System.out.println(str);
}
}
在上述代码中,str是怎么把m和n转换为String的?