Android™ How to Program, Second Edition

Answers to Self-Review Exercises (Sections C.1–C.13)

C.1

a) sequence, selection, repetition.

b) if...else.

c) sentinel, signal, flag or dummy.

d) strongly typed.

e) prefixed.

C.2

a) False. A set of statements contained within a pair of braces ({ and }) is called a block.

b) False. A repetition statement specifies that an action is to be repeated while some condition remains true.

c) True.

d) True.

e) False. Instance variables of type boolean are given the value false by default.

C.3

a) z = x++ + y;

b)

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if ( count > 10 )   System.out.println( "Count is greater than 10" );

c) total -= --x;

d)

q %= divisor;q = q % divisor;

C.4

a)

int sum;int x;

b) x = 1;

c) sum = 0;

d) sum += x; or sum = sum + x;

e) System.out.printf( ...