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In Java, how do I call a base class's method from the overriding method in a derived class?
I have two Java classes: B, which extends another class A, as follows :
12 Answers
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java.net.MalformedURLException: no protocol
I am getting Java exception like:
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Can we have multiline comments in a Java properties file?
In a Java .properties file we can do single line comments with # .
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What does the keyword “transient” mean in Java? [duplicate]
...e object
is recreated from those bytes. Member
variables marked by the java transient
keyword are not transferred, they are
lost intentionally.
Example from there, slightly modified (thanks @pgras):
public class Foo implements Serializable
{
private String saveMe;
private transient...
Run jar file in command prompt [duplicate]
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Try this
java -jar <jar-file-name>.jar
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How to set IntelliJ IDEA Project SDK
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For a new project select the home directory of the jdk
eg C:\Java\jdk1.7.0_99
or C:\Program Files\Java\jdk1.7.0_99
For an existing project.
1) You need to have a jdk installed on the system.
for instance in
C:\Java\jdk1.7.0_99
2) go to project structure under File menu ctrl+alt+s...
What is the difference between Spring, Struts, Hibernate, JavaServer Faces, Tapestry?
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Hibernate is an object-relational mapping tool, a persistence framework.
JavaServer Faces is component-based presentation framework.
JavaServer Pages is a view technology used by all mentioned presentation framework for the view.
Tapestry is another component-based presentation framework.
So, to...
Java reflection - impact of setAccessible(true)
...lue of true indicates that the reflected object should suppress checks for Java language access control when it is used
And a runnable example:
public class FieldAccessible {
public static class MyClass {
private String theField;
}
public static void main(String[] args) throw...
Can “this” ever be null in Java?
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I don't know deeply about Java, but in C++ the this of an instance method could be NULL. So I am not quite convinced this is a sufficient reason in Java.
– kennytm
Sep 24 '10 at 17:32
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How does the “final” keyword in Java work? (I can still modify an object.)
In Java we use final keyword with variables to specify its values are not to be changed.
But I see that you can change the value in the constructor / methods of the class. Again, if the variable is static then it is a compilation error.
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