Workbook
Assignments keyed to Think Java by Downey and Mayfield
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The answers are in the back
of the Workbook.
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There are two sample finals along
with their solutions.
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See the appendices in workbook.
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Float is the older smaller
double.
·
Delete or comment out the package
statement unless you save each class in a dedicated folder.
·
Braces are not required when the body
of a statement is just one line.
·
Ask questions at beginning of class.
·
Please point out errors at the
beginning of class or in an email.
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Think
Java |
Workbook
for Java |
|
1 Basics |
1.2: simple Java
program 1.3 |
|
2 identifiers and keywords ints and doubles Strings Expressions Assignment Precedence |
2.1: 1-6 11.1: 2 2.2: 1-3, 6, 7a 2.3: 1-6, 8, 9-12,18,19 7: 1 |
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3 input constant Output (formatted) Casting (sec 3.7) Modulus (%) Files (not in text) |
6.2: 2-6 6.1:
9-16 2.2: 8 2.4:
7, 10 7: 5 In
sections 3.1-3.3 but can’t do till chap 5 in text 2.4 12-13 after sec 4.1 6.3: 1, 2 |
|
4 void methods Math methods API |
2.4: 1-4, 8, 9, 12, 13 exercises 4.1 and 4.2 in the text. System,
Math, Scanner, String, PrintStream |
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Increment, Decrement, Compound assignment |
Don’t
use in
expression till learn more. 2.3 20-24 optional All 3 are at the end of sec
7.5 of text |
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5 Relational and logical ops First look at For loops If-else Nested if-else Boolean variables (flags Conditional operator ?: |
5.2: 1-5 3.1: 1-7 3.3: 1-5, 7-9 3.2: 1-5
3.3:
6 3.3: 10
3.4: 1-8 3.1: 8
exercise
5.6 in the text |
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6 Value-returning methods
overloading composition development process Predicate/Boolean method |
8.1: 1, 5, 8-11,
15-17, 20- 23 |
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7 while For Nested loops Loops using log ops do-while break and continue switch (optional) ++, --, += etc Current time [sec 11.1] (System.currentTimeMillis) |
5.1: 1, 2, 5,
6, 8, 10-16 8.1: 2-4 5.1: 7, 9
5.2: 1, 4, 5, 7-9, 11 5.3: 1-8 7: 6 5.3: 4-8 5.4: 1,3,10, 11 5.5: 1-3 5.6 1-3 |
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8 one-dimensional arrays Parallel arrays Arrays and methods Random numbers |
9.1: 1-6, 8-15, 17, 18, 20-24, 27-29 Exercises 8.1-8.3,8.5-8.7 in
the text Exercise 8.4 in the text 9.3: 4, 5, 7, 9
8.3: 1 8.2 : 1, 2, 4, 5 Exercise 3.5 in the text |
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Sorting Searching |
10.1: 2, 3, 5 9.3:
1, 6 10.2: 1 (should be boolean variable), 4 (do both
searches), 5 (wrong answer) |
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Bin/Hex |
13.2: 1-4, 6-10, 13 Do as many as you need. 0x
means hex value in Java.- ignore it |
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9 String String methods Char methods (optional) Bin/Hex continued |
11.1: 1-7, 9, 10 9.1: 26 11.2: 2, 4, 5, 10, 12, 13 Exercise 9.7 in the text 5.2: 10 (if we do
this) 5.4: 11
7.1: 10,13-19 9.1 25 13.1 |
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??? |
File names vs File objects vs
File streams |