我在帐户[0]到3处收到此错误。我也收到JNI错误，请检查您的安装并重试。任何人都可以为我解决此问题提供任何见解。
公共抽象类Account1 {
private int id;
double balance;
public Account1() {
// TODO Auto-generated constructor stub
this.balance = 0;
}
/**
* @param id
* @param balance
*/
public Account1(int id, double balance) {
this.id = id;
this.balance = balance;
}
/**
* @return the id
*/
public int getId() {
return id;
}
/**
* @return the balance
*/
public double getBalance() {
return balance;
}
/**
* @param id
* the id to set
*/
public void setId(int id) {
this.id = id;
}
/**
* @param balance
* the balance to set
*/
public void setBalance(double balance) {
this.balance = balance;
}
/**
* @param amount
*/
public void deposit(double amount) {
try {
if (amount < 0)
throw new IllegalAmountException();
else
this.balance += amount;
} catch (IllegalAmountException e) {
// TODO: handle exception
e.printStackTrace();
}
}
public abstract void withdraw(double amount);
public String toString() {
return "Account [id=" + id + ", balance=" + balance + "]";
}
private static class IllegalAmountException extends Exception {
public IllegalAmountException() {
}
}
public static void main(String[] args) {
try {
Account[] accounts = new Account[4];
accounts[0] = new CheckingAccount(1111, 2340);
accounts[1] = new CheckingAccount(1112, 200);
accounts[2] = new SavingsAccount(1113, 700);
accounts[3] = new SavingsAccount(1114, 900);
System.out.println("Initial Acounts:");
for (int i = 0; i < accounts.length; i++) {
System.out.println(accounts[i].toString());
}
System.out.println("Initial Acounts: ");
for (int i = 0; i < accounts.length; i++) {
System.out.println(" " + accounts[i].toString());
}
System.out.println("After deposit 500 to Acounts: ");
for (int i = 0; i < accounts.length; i++) {
accounts[i].deposit(500);
System.out.println(" " + accounts[i].toString());
}
System.out.println("After withdraw 200 to Acounts: ");
for (int i = 0; i < accounts.length; i++) {
accounts[i].withdraw(200);
System.out.println(" " + accounts[i].toString());
}
System.out.println("Checking Withdraw from Insufficient balance: ");
accounts[1].withdraw(700);
System.out.println("Checking deposit with negative amount: ");
accounts[1].deposit(-700);
} catch (Exception e) {
// TODO: handle exception
}
}
private static class Account {
public Account() {
}
private void deposit(int i) {
throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
}
private void withdraw(int i) {
throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
}
}
}
我在帐户[0]到3处收到此错误。我也收到JNI错误，请检查您的安装并重试。任何人都可以为我解决此问题提供任何见解。