수다닷컴

public class car122
{
public static final int co=1;
public static final int con = 2;
public static final int tt=3;

public static final int v4 = 1;
public static final int v6 = 2;
public static final int v8 = 3;
public static final int v10 = 4;

public int en;
public int bo;
public int to;
public boolean is;
public int cu;}
public class cartest
{

public static void turnon(car c)
{
c.is = true;
}
public static void turnoff(car c)
{
c.is = false;
}public static void acc(car c)
{
//System.out.println(c.v4);
switch(c.en)
{
case c.v4:
speedup(c,4);
break;
case car.v6:
speedup(c,10);
break;
case car.v8:
speedup(c,20);
break;
}
}

public static void speedup(car c,int n)
{
if(c.is == false)
{
return;
}
if((c.cu + n)= c.to)
{

c.cu = c.to;
}

else
{

c.cu= c.cu + n;
}}

public static void main(String args[])
{
car c1 = new car();

c1.to = 100;
c1.cu = 0;
c1.en = c1.v4;
turnon(c1);

//System.out.println(c1.en);
//for sure my c1.en
for(int i = 0;i 4;i++)

{
acc(c1);
System.out.println(c1.cu);
}}
}
함수

public static void acc(car c)
{
//System.out.println(c.v4);
switch(c.en)
{
case c.v4:
speedup(c,4);
break;
case car.v6:
speedup(c,10);
break;
case car.v8:
speedup(c,20);
break;
}
}

부분에서case car.v4:

를 c.v4로 바꾸면 에러가 납니다.

왜 그렇습니까?

car.v4나 c.v4나 같은 값을 가르치고 있는것 아닙니까?

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