A router ____________________only comes into play if a computer hasn't heard from the router recently and demands a router advertisement.
Fill in the blank(s) with the appropriate word(s).
solicitation
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Which of the following performs a boxing conversion?
a. int x = 7; b. Integer x = 7; c. Neither of the above. d. Both of the above.
Analyze the following code.
``` // Program 1: public class Test { public static void main(String[] args) { Object a1 = new A(); Object a2 = new A(); System.out.println(a1.equals(a2)); } } class A { int x; public boolean equals(A a) { return this.x == a.x; } } // Program 2: public class Test { public static void main(String[] args) { A a1 = new A(); A a2 = new A(); System.out.println(a1.equals(a2)); } } class A { int x; public boolean equals(A a) { return this.x == a.x; } }``` a. Program 1 displays true and Program 2 displays true b. Program 1 displays false and Program 2 displays true c. Program 1 displays true and Program 2 displays false d. Program 1 displays false and Program 2 displays false
Experiment with the cookie example presesnted in Figures ….
a. Obtain the source files for form.html, cookie.c, cookie2.c.
b. Install form.html on the web server.
c. Compile cookie.c with util.c to generate an executable cookie.cgi. Install cookie.cgi on the web server.
d. Compile cookie2.c with util.c to generate an executable cookie2.cgi. Install cookie2.cgi on the web server.
e. Browse form.html. Does the session data (the name entered in the static form) get passed to the last web script?
f. Summarize the experiment and your observations.
What modifier should you use on the members of a class so that they are not accessible to another class in a different package, but are accessible to any subclasses in any package?
a. public b. private c. protected d. Use the default modifier.