Alpha测试与beta的区别?
Alpha测试与beta的区别?
相关考题:
14 Alpha buys goods from Beta. At 30 June 2005 Beta’s account in Alpha’s records showed $5,700 owing to Beta.Beta submitted a statement to Alpha as at the same date showing a balance due of $5,200.Which of the following could account fully for the difference?A Alpha has sent a cheque to Beta for $500 which has not yet been received by Beta.B The credit side of Beta’s account in Alpha’s records has been undercast by $500.C An invoice for $250 from Beta has been treated in Alpha’s records as if it had been a credit note.D Beta has issued a credit note for $500 to Alpha which Alpha has not yet received.
alpha测试与beta的区别,描述错误的是()。A、alpha测试是在用户组织模拟软件系统的运行环境下的一种验收测试,由用户或第三方测试公司进行的测试,模拟各类用户行为对即将面市的软件产品进行测试,试图发现并修改错误B、Beta测试是用户公司组织各方面的典型终端用户在日常工作中实际使用beta版本,并要求用户报告异常情况,提出批评意见C、beta测试的环境是不受开发方控制的,谁也不知道用户如何折磨软件,用户数量相对比较多,时间不集中D、beta测试先于alpha测试执行
10. class Foo { 11. static void alpha() { /* more code here */ } 12. void beta() { /* more code here */ } 13. } Which two are true?()A、 Foo.beta() is a valid invocation of beta().B、 Foo.alpha() is a valid invocation of alpha().C、 Method beta() can directly call method alpha().D、 Method alpha() can directly call method beta().
10. interface Foo {} 11. class Alpha implements Foo {} 12. class Beta extends Alpha {} 13. class Delta extends Beta { 14. public static void main( String[] args) { 15. Beta x = new Beta(); 16. // insert code here 17. } 18. } Which code, inserted at line 16, will cause a java.lang.ClassCastException?() A、 Alpha a = x;B、 Foo f= (Delta)x;C、 Foo f= (Alpha)x;D、 Beta b = (Beta)(Alpha)x;
单选题10. interface Foo {} 11. class Alpha implements Foo {} 12. class Beta extends Alpha {} 13. class Delta extends Beta { 14. public static void main( String[] args) { 15. Beta x = new Beta(); 16. // insert code here 17. } 18. } Which code, inserted at line 16, will cause a java.lang.ClassCastException?()A Alpha a = x;B Foo f= (Delta)x;C Foo f= (Alpha)x;D Beta b = (Beta)(Alpha)x;
问答题什么是软件测试中的Alpha测试和Beta测试?