Use the Externalizable interface when you need complete control over your Bean's serialization (for example, when writing and r

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Use the Externalizable interface when you need complete control over your Bean's serialization (for example, when writing and reading a specific file format).

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No. Earlier order is maintained.

2013-03-08, 1906👍, 0💬

What is covariant return type?
What is covariant return type? A covariant return type lets you override a superclass method with a return type that subtypes the superclass method's return type. So we can use covariant return types to minimize upcasting and downcasting. class Parent { Parent foo () { System.out.println ("Parent fo... 2013-03-07, 2034👍, 0💬

The superclass constructor runs before the subclass constructor ...
The superclass constructor runs before the subclass constructor ... The superclass constructor runs before the subclass constructor. The subclass's version of the overridable method will be invoked before the subclass's constructor has been invoked. If the subclass's overridable method depends on th... 2013-03-06, 1967👍, 0💬

What is externalization? Where is it useful??
What is externalization? Where is it useful?? Use the Externalizable interface when you need complete control over your Bean's serialization (for example, when writing and reading a specific file format). 2013-03-08, 1955👍, 0💬

What will be the output on executing the following code .
What will be the output on executing the following code . What will be the output on executing the following code. public class MyClass { public static void main (String args[] ) { int abc[] = new int [5]; System.out.println(abc); } } A Error array not initialized B 5 C null D Print some junk charac... 2013-03-08, 1928👍, 0💬

Use the Externalizable interface when you need complete control over your Bean's serialization (for example, when writing and r
Use the Externalizable interface when you need complete control over your Bean's serialization (for example, when writing and reading a specific file format). No. Earlier order is maintained. 2013-03-08, 1907👍, 0💬

What are the restrictions placed on static method ?
What are the restrictions placed on static method ? We cannot override static methods. We cannot access any object variables inside static method. Also the this reference also not available in static methods. 2013-03-12, 1887👍, 0💬

What are new language features in J2SE 5.0?
What are new language features in J2SE 5.0? Generally: 1. generics 2. static imports 3. annotations 4. typesafe enums 5. enhanced for loop 6. autoboxing/unboxing 7. varargs 8. covariant return types 2013-03-07, 1886👍, 0💬

What is a marker interface ?
What is a marker interface ? An interface that contains no methods. Eg: Serializable, Cloneable, SingleThreadModel etc. It is used to just mark java classes that support certain capability. 2013-03-11, 1884👍, 0💬

What will be the output on executing the following code...
What will be the output on executing the following code... What will be the output on executing the following code. public class MyClass { public static void main (String args[] ) { int abc[] = new int [5]; System.out.println(abc[0]); } } A Error array not initialized B 5 C 0 D Print some junk chara... 2013-03-11, 1882👍, 0💬

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