Programming Groovy dynamic productivity for the java developer phần 3 ppsx
Programming Groovy dynamic productivity for the java developer phần 3 ppsx
... code, use groovyc (Section 11.2, Running
Groovy, on page 1 73) .
18. Visit
http:/ /groovy. codehaus.org/Differences+from +Java for a nice list of Groovy- Java
differences.
DESIGN BY CAPABILITY 82
Then Human, ... applicable for argument types: () values: {}
How’s that? The iterator (for loop) tr eat ed the elements as objects, so
there was no error on line number 16 Groovy took...
Programming Groovy dynamic productivity for the java developer phần 1 docx
... . . . . . 35
3 Groovy for the Java Eyes 37
3. 1 From Java to Groovy . . . . . . . . . . . . . . . . . . . . 37
3. 2 JavaBeans . . . . . . . . . . . . . . . . . . . . . . . . . . 45
3. 3 Optional ... friendly java. lang.Integer chirping dynamic behavior in
Groovy, as you’ll learn later in this book.
Programming Groovy
Dynamic Productivity for the Java Dev...
Programming Groovy dynamic productivity for the java developer phần 2 potx
... true.
If the object reference is not-null, then the truth depends on the type of
the object. For example, if th e object is a collection (like java. util.ArrayList),
then Groovy checks whether the ... familiar Java code, isn’t it? The output from the previous
code is as follows:
Year: 2008
Miles: 0
Setting miles
Miles: 25
Let’s rewrite the code in Groovy:
Download Gro...
Programming Groovy dynamic productivity for the java developer phần 4 doc
... 5,
"moon"
)
println text
The output from the previous code is as follows:
The cow jumped over the fence
The cow jumped over the moon
The GString (text) contains the variable what. The expression is ... quote for
these companies as well. So, you iterate over the stocks map—within the
closure you have the company as the key and the price as the value.
H...
Programming Groovy dynamic productivity for the java developer phần 5 docx
... use the getClass( ) method instead of the
class pr ope rty on ins tances.
USING MAP 133
The first call to size( ) is on the list, so it returns 4, the current number of
elements in the list. The ... is, split the
collection into individual objects using the * operator (the spread oper-
ator), as shown next. For th i s to work correctly, the size of the ArrayList
must b...
Programming Groovy dynamic productivity for the java developer phần 6 pot
... JSR 2 23 with Java 5. It is included in Java 6.
JSR 2 23 currently works only wi th Groovy 1.0 and not with Groovy 1.5.
JSR 2 23 is an option more suited for other languages on the JVM than
for Groovy. ... Using Groovy Classes from Java
If the Groovy classes are precompiled, then you can use the .class files
or JARs readily in Java. Java sees no difference betwee...
Programming Groovy dynamic productivity for the java developer phần 7 pot
... implement
the before or after advice (or both), implement your before/after logic,
and route the call to the actual method at the appropriate time. To
route the call, use the MetaMethod for the method ... the arguments for a method you’re lookin g for to these meth-
ods. They don’t insist on an array of Class of the arguments like the get-
Method( ) method i n Java...
Programming Groovy dynamic productivity for the java developer phần 8 potx
... now.
UNIT TESTING JAVA AND GROOVY CODE 239
Car.class resides in the classes/com/agiledeveloper directory.
Download UnitTestingWithGroovy/src/Car .java
// Java code
package com.agiledeveloper;
public ... modify the class source, you can implement
the methodMissing( ) method on the class for wh i ch you want to synthe-
size meth ods. You can improve performance by injecting t...
Programming Groovy dynamic productivity for the java developer phần 9 potx
... USING THE GROOVY MOCK LIBRARY 256
for the collaborator and verifies the state. To verif y behavior, you have
to use a mock (see the sidebar on page 2 43) , specifically, the MockFor
class.
Using MockFor
Let’s ... fileMock = new groovy. mock.interceptor.MockFor (java. io.FileWriter)
You replaced StubFor with MockFor—that’s the only change. When you
run the test now, it fails,...
Programming Groovy dynamic productivity for the java developer phần 10 pptx
... on the
bleeding edge.
Groovy API Javadoc
http:/ /groovy. codehaus.org/api
Javadoc for the Groovy API.
The GDK
http:/ /groovy. codehaus.org /groovy- jdk
List of the methods that are part of the Groovy ... downloading Groovy,
30
for Eclipse plug-in, 35
for GDK enhancements, 141n
for Groovy s mailing list, 18n
for Groovy- Java diffe rences, 67n
for IntelliJ I...
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