class ComHex{
void comHex(String scrString){
char[] a = scrString.toCharArray();
for(int i = 0; i < a.length; i++){
System.out.println(a[i]);
if(a[i].equals("f")) //错误
//if(a[i]=="ff" 错误
}
}
}public class Hex {
public static void main(String[] args){
ComHex scr = new ComHex();
scr.comHex("ff");
}
}
//这样写错误的,应该怎么对比数组和字符窜?
void comHex(String scrString){
char[] a = scrString.toCharArray();
for(int i = 0; i < a.length; i++){
System.out.println(a[i]);
if(a[i].equals("f")) //错误
//if(a[i]=="ff" 错误
}
}
}public class Hex {
public static void main(String[] args){
ComHex scr = new ComHex();
scr.comHex("ff");
}
}
//这样写错误的,应该怎么对比数组和字符窜?
System.out.println("f".equals(a[i]));
System.out.println("f"==a[i]);
//??????????
//==怎么用呢,用这就错误了?
System.out.println("f"==a[i]);
//??????????-----------------------------------
应该用System.out.println('f'==a[i]);
就可以了。