We summarize the most commonly used Java language features and APIs in the textbook.
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Hello, World.
Editing, compiling, and executing.
Built-in data types.
Declaration and assignment statements.
Integers.
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Floating-point numbers.
Booleans.
Comparison operators.
Printing.
Parsing command-line arguments.
Math library.
The full java.lang.Math API.
Java library calls.
Type conversion.
Anatomy of an if statement.
If and if-else statements.
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Nested if-else statement.
Anatomy of a while loop.
Anatomy of a for loop.
Loops.
Break statement.
Do-while loop.
Switch statement.
Arrays.
Inline array initialization.
Typical array-processing code.
Two-dimensional arrays.
Inline initialization.
Our standard output library.
The full StdOut API.
Our standard input library.
The full StdIn API.
Our standard drawing library.
The full StdDraw API.
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Our standard audio library.
The full StdAudio API.
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Command line.
Redirection and piping.
Functions.
Libraries of functions.
Our standard random library.
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Our standard statistics library.
Using an object.
Instance variables.
Constructors.
Instance methods.
Classes.
Object-oriented libraries.
Java's String data type.
The full java.lang.String API.
Java's Color data type.
The full java.awt.Color API.
Our input library.
The full In API.
Our output library.
The full Out API.
Our picture library.
The full Picture API.
Our stack data type.
The full Stack API.
Our queue data type.
The full Queue API.
Iterable.
Our symbol table data type.
The full ST API.
Our set data type.
The full SET API.
Our graph data type.
The full Graph API.
Compile-time and run-time errors.
Here's a list of errors compiled byMordechai Ben-Ari.It includes a list of common error message and typical mistakes thatgive rise to them.
Last modified on October 30, 2019.
Copyright © 2000–2019Robert SedgewickandKevin Wayne.All rights reserved.
Common annotations
--%disabledSuite / context / test will not execute--%rollback(auto / manual)Automatic(
default)
/ manual transaction control--%displayname( description )Description of context / test / suite
Procedure annotations
--%test(description)Procedure is a test (with description)--%beforetest(procedure [, .])Procedure(s) to run
before annotated test--%aftertest(procedure [, .])Procedure(s) to run
after annotated test--%beforeallProcedure to run
before first test in suite/context--%afterallProcedure to run
after last test in suite/context--%beforeeachProcedure to run
before each test in suite/context--%aftereachProcedure to run
after each test in suite/context--%throws(exception [, .])Test expects
exception(s) to be thrown
Package annotations
--%suite(description)Package is a test suite
(with description)--%suitepath(com.acme.bomb)Similar to classpath (Java)
Group suites in namespaces--%context(name)Starts sub-suite in a suite--%endcontextEnds sub-suite in a suite--%beforeall(procedure [, .])Procedure(s) to run
before all tests in suite/context--%afterall(procedure [, .])Procedure(s) to run
after all tests in suite/context--%beforeeach(procedure [, .])Procedure(s) to run
before each tests in suite/context--%aftereach(procedure [, .])Procedure(s) to run
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after each tests in suite/contextAnnotations are sinlgle-line comments starting with a % sign.
Needed in package specification only (documentation)
Equality matcher
equalut.expect( 'a dog' ).to_equal(
'a dog' , a_nulls_are_equal => false );
a_nulls_are_equal is
true by default
equal with cursorsopen l_expected for select * from all_objects;
open l_actual for select * from all_objects;
ut.expect( l_expected )
.to_equal( l_actual )
.exclude( 'owner' )
.join_by( 'name' );
equal on objectsut.expect(
anydata.convertObject(l_expected) )
.to_equal(
anydata.convertObject(l_actual) );
equal on collectionsut.expect(
anydata.convertCollection(l_expected) )
.to_equal(
anydata.convertCollection(l_actual) );
Expectation syntax
Base expectationut.expect(
actual_value ).to_(
matcher );Negated expectationut.expect(
actual_value ).not_to(
matcher );Shortcuts syntaxut.expect(
actual_value ).to_
matcher;
ut.expect(
actual_value ).not_to_
matcher;
Executing tests
exec ut.run();All tests in my current schemaalter session set current_schema='HR';
exec ut.run();All tests in current schema after it was changed to HRexec ut.run('HR');All tests in specific schemaexec ut.run('test_betwnstr');All tests in package of current schemaexec ut.run('hr.test_betwnstr.big_end_position');Specific test onlyexec ut.run(
'hr.test_award_bonus, hr.test_betwnstr.big_end_position');Run several itemsexec ut.run(':com.my_org.my_project');Run using suitepathselect * from table(ut.run());All tests as a select statement
Non-equality matchers
be_likeut.expect( 'Lorem_impsum' ).to_be_like(
a_mask => '%rem_%', a_escape_char => ' );
ut.expect( 'Lorem_impsum' ).to_be_like( '%re%su' );
a_mask, a_escape_char -> see Oracle like operator
matchut.expect( '123-456-ABcd' ).to_match(
a_pattern=>'d{3}-d{3}-[a-z]', a_modifiers=>'i'
);
ut.expect( 'some value' ).to_match( '^some.*' );
a_pattern, a_modifiers -> see regexp_like function
be_betweenut.expect( 3 ).to_be_between( 1, 3 );
be_greater_or_equalut.expect( 3 ).to_be_greater_or_equal( 2 );
be_greater_thanut.expect( 2 ).to_be_greater_than( 1 );
be_less_or_equalut.expect( 3 ).to_be_less_or_equal( 3 );
be_less_thanut.expect( 3 ).to_be_less_than( 4 );
have_countut_expect( v_cursor ).to_have_count(10);
Unary matchers
be_emptyopen l_cursor for select * from dual where 1 = 0;
ut.expect( l_cursor ).to_( be_empty() );
be_true ut.expect( ( 1 = 1 ) ).to_( be_true() );
be_false ut.expect( ( 1 = 0 ) ).to_( be_false() );
be_null ut.expect( 1 ).to_( be_null() );
be_not_null ut.expect( to_clob('ABC') ).to_( be_not_null() );
Reporting
Color outputexec ut.run(a_color_console=>true);
With sqlcl
or sqlPlus (Mac, Unix, Windows ANSICON)
JUnit reporterexec ut.run(ut_junit_reporter());
JUnit-compatible XML report for CI serversCoverage html reporter exec ut.run(ut_coverage_html_reporter());
Produces HTML coverage reportDocumentation for coverage and reporters
testingoracletddunit-testingutplsqlplsqlunit-test
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