banktester.java

清华大学第二版

class BankAccount{
	String ownerName;
	int accountNumber;
	float balance;
	
	
	//	public BankAccount(){ 	}
	
	public BankAccount(int i){
       	accountNumber=i;	
		}
	
}
public class BankTester{
	public static void main(String args[]){
	
	
		BankAccount myAccount = new BankAccount();

		
		
		System.out.println("ownerName=" + myAccount.ownerName);
		System.out.println("accountNumber=" + myAccount.accountNumber);
		System.out.println("balance=" + myAccount.balance);
	}
} 












		
/*
myAccount = new BankAccount();
myAccount.ownerName = "Wangli" ;
myAccount.accountNumber = 1000234;
myAccount.balance = 2000.00f;
 */