SCDCD(310-081)多项选择题每日一练(2019.05.10)

A. The function method must have the signaturepublic： String spin（）.
B. The method must be mapped to the logical name “spin” in the web.xml file.
C. The function method must have the signature：public String spinIt（）.
D. The function method must have the signature：public static String spin（）.
E. The function method must have the signature：public static String spinIT（）.
F. The function class must be named Spinner， and must be in the package com.example.

A. It encapsulates component lookup procedures
B. It increases source code duplication and decreases reuse
C. It improves client performance by caching context and factory objects
D. It degrades network performance due to increased access to distributed lookup services

A. ${cart = null } 
B. <c：remove var=”cart” /> 
C. <c：remove var=”${cart}” /> 
D. <c：remove var=”cart” scope=”session” /> 
E. <c：remove scope=”session”>cart</c：remove>
F. <c：remove var=”${cart}” scope=”session” /> 
G. <c：remove scope=”session”>${cart}</c：remove>

A. The jspInit method is called.
B. The JSP page implementation class is created.
C. The JSP page implementation class is compiled.
D. The JSP page is validated for syntatic correctness.
E. The associated tag files are validated for syntatic correctness.

A. final int k = 4：
B. public int k = 4：
C. static int k = 4：
D. private int k = 4：
E. abstract int k = 4：
F. volatile int k = 4：
G. transient int k = 4：
H. protected int k = 4：