import java.io.*; public class hahaha{ public static void main(String args[]){ int a=87; int b=43; prt("a="+a); prt("b="+b); } public static void prt(String s){ System.out.println(s); } }
定义prt()时,给的参数是String,而在调用时给的参数是"b="+b和"a="+a。 应该这么写 import java.io.*; public class hahaha{ public static void main(String args[]){ int a=87; int b=43; prt("a=",a); prt("b=",b); } public static void prt(String s,int i){ System.out.println(s+i); } }
public class hahaha{
public static void main(String args[]){
int a=87;
int b=43;
prt("a="+a);
prt("b="+b);
}
public static void prt(String s){
System.out.println(s);
}
}
应该这么写
import java.io.*;
public class hahaha{
public static void main(String args[]){
int a=87;
int b=43;
prt("a=",a);
prt("b=",b);
}
public static void prt(String s,int i){
System.out.println(s+i);
}
}