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Well, the Container extends Component, so ALL containers in Java are components. This includes classes like Panel, ScrollPane, Window, and JComponent. Plus all the various generations of subclasses of each of those containers.

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Q: Which component class is also a container in JAVA?
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What are subclasses of container class?

This chapter covers a special type of Component called Container. A Container is a subclass of Component that can contain other components, including other containers. Container allows you to create groupings of objects on the screen. This chapter covers the methods in the Container class and its subclasses: Panel, Window, Frame, Dialog, and FileDialog. It also covers the Insets class, which provides an internal border area for the Container classes.


What are the different java technologies?

There are several types of Java technology. Some examples of Java software are Java ME, Java EE, Java SE, and Java Card. Java made the JAVA development kit for those that develop in Java. There is also Java Virtual machine and some class libraries. Java is also famous for its languages like Clojure, Beanshell, Groovy, Gosu, Rhino, Kotlin, JRuby, Scala, and Jython.


What do you get when you compile a java program?

The java interpreter or JVM (Java Virtual Machine) is not able to execute the java source code for a program. The java source code first needs to be compiled into bytecode that can be processed by JVM. Producing bytecode make the program platform independent as each platform has its own JVM. It is also possible to directly write bytecode, bypassing the need to compile, but that would be tedious job and also not good for security purpose as the compiler checks for various errors in a program.


What is classpath and path in java?

if you are using the IDE then there is no need to set class path, ant you are using Command prompt to run the java program then you need to set the class path where the class (which is going to be used in your program) is actually located,use the following command:set calsspath=%classpath%;actual_path_of the class;we cancall more than two class by using this command by using separator (,)


What are the three parts of simple empty class?

Three parts of a simple empty java class are; A simple empty class of java supports legacy, as it automatically acquires object class, therefore can produce the functionality described in the object hierarchy. It automatically generates a fault constructor inside the class with a blank description. It also accompanies polymorphism, as can be practiced in any scheme by the extensive class.

Related questions

What are subclasses of container class?

This chapter covers a special type of Component called Container. A Container is a subclass of Component that can contain other components, including other containers. Container allows you to create groupings of objects on the screen. This chapter covers the methods in the Container class and its subclasses: Panel, Window, Frame, Dialog, and FileDialog. It also covers the Insets class, which provides an internal border area for the Container classes.


What is the function of this in java?

this in java is a keyword that refers to the current object of the class. It is also used in constructor overloading when you want to invoke one constructor from another within the same class.


What are the different java technologies?

There are several types of Java technology. Some examples of Java software are Java ME, Java EE, Java SE, and Java Card. Java made the JAVA development kit for those that develop in Java. There is also Java Virtual machine and some class libraries. Java is also famous for its languages like Clojure, Beanshell, Groovy, Gosu, Rhino, Kotlin, JRuby, Scala, and Jython.


What do you get when you compile a java program?

The java interpreter or JVM (Java Virtual Machine) is not able to execute the java source code for a program. The java source code first needs to be compiled into bytecode that can be processed by JVM. Producing bytecode make the program platform independent as each platform has its own JVM. It is also possible to directly write bytecode, bypassing the need to compile, but that would be tedious job and also not good for security purpose as the compiler checks for various errors in a program.


In regards to Java what does the date class do exactly?

With regards to Java, the date class represents a specific moment in time. It also allows this moment to be displayed as year, month, day, hour, minute and second.


Why the name of a java file is same as the name of the public class?

It is not compulsory that the java file name and name of the public class should be same. if u will give java file name and public class name different then u have to compile and run the program with another names. for example: u have named class sample i.e. (public class sample) and main function is also defined in this class. and u have saved the file as abc.java then u will first comple the file as: javac abc.java now run the file (type java class name(in which main function is defined) i.e. java sample try it.


What is classpath and path in java?

if you are using the IDE then there is no need to set class path, ant you are using Command prompt to run the java program then you need to set the class path where the class (which is going to be used in your program) is actually located,use the following command:set calsspath=%classpath%;actual_path_of the class;we cancall more than two class by using this command by using separator (,)


What are the three parts of simple empty class?

Three parts of a simple empty java class are; A simple empty class of java supports legacy, as it automatically acquires object class, therefore can produce the functionality described in the object hierarchy. It automatically generates a fault constructor inside the class with a blank description. It also accompanies polymorphism, as can be practiced in any scheme by the extensive class.


Can you instantiate an interface?

According to a beginner's book on Java, an interface can't have constructors. Also, the interface itself can't contain the method implementation.


Java runtime error - NoClassDefFoundError -- how to remove this error in java programming?

This error means that there was a call to a nonexistent class, but this was not caught by the compiler since the class existed when the file was compiled but was removed before running the .class file. To fix this problem try restoring any files you deleted to the SAME directory as your .class file. This error can also be fixed by changing the Java classpath to point to the locations of your files. The -cp command line option should help.


How many classes should be included in each java file?

You can only have one non-inner public classes per java file and that class name must match the filename. The java file can also have any number of inner classes and anonymous classes.


What are the Levels in Java programming?

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