Ive been working on a program that requires the user to input values for a circuit and it it calculates the charge at given times. I have made some progress but Ive hit a road block when one of my arrays refused to return values and the reason mentioned in eclipse was :
我一直致力于一个程序,要求用户输入电路的值,并在给定时间计算电荷。我已经取得了一些进展,但当我的一个阵列拒绝返回值时,我遇到了障碍,而eclipse中提到的原因是:
- *Multiple markers at this line
- The method genQArray(int[], int, double[], int, int, int, int) in the type Ass1 is not applicable for the arguments (int[], int, double, int, int, int, int)
- The method genQArray(int[], int, double[], int, int, int, int) in the type Ass1 is not applicable for the arguments (int[], int, int)*
*此行有多个标记
类型Ass1中的方法genQArray(int [],int,double [],int,int,int,int)不适用于参数(int [],int,double,int,int,int,int)
类型Ass1中的方法genQArray(int [],int,double [],int,int,int,int)不适用于参数(int [],int,int)*
I honestly don't know what the problem is at this point and want to find a solution to this , so I can continue working on this program . Any help is gladly appreciated.
老实说,我现在还不知道问题是什么,并希望找到解决方案,所以我可以继续研究这个程序。任何帮助都很高兴。
Here is my code , though it is unfinished :
这是我的代码,虽然它未完成:
import java.util.* ;
public class Ass1 {
static int VIX ; // Traversing Voltage Component in Component Value Array
static int CIX ;
static int LIX ;
static int RIX ;
public static void main (String args[]) {
double compArr = getCircuitComp() ;
boolean outerLoopFlag ;
boolean innerLoopFlag ;
int i ;
int n ;
int timeArr[] = new int[n] ;
int qArray[] = new int[n] ;
Scanner input = new Scanner (System.in) ;
while ( outerLoopFlag = true) {
System.out.print("Reset Component Values (y/n) ?") ;
String answer = input.nextLine() ;
char ans = answer.charAt(0) ;
if ( ans == 'y') {
compArr = getCircuitComp() ;
}
else {
}
innerLoopFlag = true ;
while ( innerLoopFlag = true){
System.out.print("Run a simulation?") ;
String answer2 = input.nextLine() ;
char ans2 = answer.charAt(0) ;
if (ans2 == 'y'){
System.out.print("Enter a maximum time :") ;
double tMax = input.nextDouble();
System.out.print("Enter a time step:") ;
double tStep = input.nextDouble();
timeArr[n]= genTimeArray(tMax,tStep,n);
qArray[n] = genQArray( timeArr , n , compArr, VIX , CIX , RIX , LIX) ;
displayQFunction(timeArr,qArray,n);
}
while (innerLoopFlag = false) {
System.out.print("Do you want to quit (y/n)?") ;
String answer3 = input.nextLine() ;
char ans3 = answer3.charAt(0) ;
}
}
}
}
public static int getCircuitComp() {
Scanner input = new Scanner (System.in) ;
boolean flag = true ;
double compArr [] = new double[4];
while ( flag = true ) {
System.out.print("Enter a value V ( 4 to 15):") ;
compArr[VIX] = input.nextDouble() ;
if ((compArr[VIX] >= 4.0) && (compArr[VIX] <= 15.0)){
flag = false ;
}
else{
System.out.print("Bad Value" + compArr[VIX] ) ;
}
}
flag = true ;
while (flag) {
System.out.print("Enter a valur for R ( 5 to 10) :") ;
compArr[RIX] = input.nextDouble();
if((compArr[RIX] >= 5.0) && (compArr[RIX] <= 10.0)){
flag = false;
}
else{
System.out.print("Bad Value:"+ compArr[RIX]) ;
}
}
flag = true ;
while(flag) {
System.out.print("Enter a value for C( 1e-9 to 1e-7 ): ") ;
compArr[CIX] = input.nextDouble();
if (( compArr[CIX] >= Math.pow(10, -9)) && (compArr[CIX] <= Math.pow(10, -7))){
flag = false ;
}
else{
System.out.print("Bad Value :"+ compArr[CIX]);
}
}
flag = true ;
while(flag){
System.out.print("Enter a value for L(1e-3 to 1e-1) ");
compArr[LIX] = input.nextDouble();
if(compArr[LIX]>= Math.pow(10,-3) && compArr[LIX] <= Math.pow(10, -1)){
flag = false ;
}
else{
System.out.print("Bad Value :" + compArr[LIX]) ;
}
}
return (int) (compArr[CIX] + compArr[LIX] + compArr[RIX] + compArr[VIX]) ;
}
public static int genTimeArray( double tMax , double tStep , int n ) {
int t[] = new int[n] ;
n = 1 ;
t[0] = 0 ;
t[n] = (int) (t[n-1] + tStep) ;
n = n + 1 ;
return t[n] ;
}
public static int genQArray( int timeArr[] , int n , double compArr [], int VIX , int CIX , int RIX , int LIX ) {
double q[] = new double[n] ;
n = 1 ;
double s = (compArr[VIX])*(compArr[CIX]) ;
double t = Math.exp((-compArr[RIX])/(2*compArr[LIX]));
double c = (1)/((compArr[LIX])*(compArr[CIX])) ;
double v = Math.pow((compArr[RIX])/(2*(compArr[LIX])),2) ;
double r = (timeArr[n])*(Math.sqrt(c-v)) ;
q[n] = (s)*(t)*(Math.cos(r)) ;
return (int) q[n] ;
}
}
Thanks in advance for the help !!
在此先感谢您的帮助 !!
Mark
1 个解决方案
#1
0
You will need to change your compArr variable declaration from
您需要更改compArr变量声明
double compArr = getCircuitComp() ;
to
double[] compArr = getCircuitComp() ;
to correctly match the arguments for the method genQArray. This will involve returning a double[] from getCircuitComp() instead of an int type.
正确匹配方法genQArray的参数。这将涉及从getCircuitComp()而不是int类型返回double []。
public static double[] getCircuitComp() {
In this method, you probably meant to return the variable:
在这个方法中,您可能想要返回变量:
double compArr [] = new double[4];
Also note that your variables:
还要注意你的变量:
static int VIX ;
static int CIX ;
static int LIX ;
static int RIX ;
will all be defaulted to 0 so, for instance, compArr[VIX] and compArr[CIX] will point to the same value at index 0 in the array compArr. To fix, you could specify values:
将默认为0,例如,compArr [VIX]和compArr [CIX]将指向数组compArr中索引0处的相同值。要修复,您可以指定值:
static int VIX = 0;
static int CIX = 1;
...
#1
0
You will need to change your compArr variable declaration from
您需要更改compArr变量声明
double compArr = getCircuitComp() ;
to
double[] compArr = getCircuitComp() ;
to correctly match the arguments for the method genQArray. This will involve returning a double[] from getCircuitComp() instead of an int type.
正确匹配方法genQArray的参数。这将涉及从getCircuitComp()而不是int类型返回double []。
public static double[] getCircuitComp() {
In this method, you probably meant to return the variable:
在这个方法中,您可能想要返回变量:
double compArr [] = new double[4];
Also note that your variables:
还要注意你的变量:
static int VIX ;
static int CIX ;
static int LIX ;
static int RIX ;
will all be defaulted to 0 so, for instance, compArr[VIX] and compArr[CIX] will point to the same value at index 0 in the array compArr. To fix, you could specify values:
将默认为0,例如,compArr [VIX]和compArr [CIX]将指向数组compArr中索引0处的相同值。要修复,您可以指定值:
static int VIX = 0;
static int CIX = 1;
...