为什么答案是int呢

class Cruncher{

void crunch( int i ){

System.out.println(“int”);

}

void crunch(String s){

System.out.println(“String”);

}

public static void main(String args[ ]){

Cruncher crun=new Cruncher ( );

char ch=’p’;

crun.crunch(ch);

}

}