java-basics 0 Answer(s) 3 years and 7 months ago
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What are methods and how are they defined?
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Learning Java Basics
You can start your career in Java technologies first by
learning the basics of java and some part of advance java.
Some companies may provide you jobs if you have good hold
on basics of java. You many get job
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It is mainly used to load the classes at run time when you are not able to decide which class to load, which may depend on some
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Wrapper class... as a Boolean class instance. All of the primitive wrapper classes in Java
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java-basics java-basics dear sir,
What is the range of the char type? The range of the char is calculated as 2^16-1.
according this the range of char is 0 to 65536
java-basics java-basics please tell me, what is the Difference between JRE,JVM and JDK? hi,
JDK or the Java Development Kit is a set tools
include compiler (javac.exe), Java application launcher
java basics java basics difference between an argument and a parameter? parameters are passed to the method at the
time of defining the method but arguments are passed at the time of calling that method
java-basics java-basics What are methods and how are they defined
java basics java basics What is a native method? The Java native method is a great way to gain and merge the power of C or C++ programming into Java. To use Java as a scientific and high performance language, when efficient
java-basics java-basics hi,anybody tell me
What is the use of bin and lib in JDK? Lib contains all packages and variables.Data types,Variables and Arrays.and Bin contains all tools such as javac, applet viewer, awt
java basics java basics What is an Object and how to allocate memory? Object is an instance of a class and it is a software unit that combines a structured set of data with a set of operations for inspecting and manipulating
Java basics Java basics Differences between applications and applets
java basics java basics What is inner class? Inner classes are essentially classes defined inside other classes and act like members of the enclosing class. There are two varieties of inner classes, static inner classes and non
java basics java basics What is meant by Inheritance and what are its advantages? Inheritance is the relationship among classes, in which one class can use the structure or behavior of one or more classes. The class which inherit
java basics java basics What is the difference between interface and abstract class? Interface- Interfaces are syntactically similar to classes but they don't have instance variables and methods are declared without any body
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The transient keyword is used to indicate that the member variable should not be serialized
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much in the same way an image is included in a page.
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declaration time. int i = 0; is an initialization
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java basics java basics What is the difference between superclass and subclass? The class which inherit the property of another class is known as "subclass" and the class who shares it's structure and behavior is called as "super
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The intent is for finalize() to release system resources such as open files
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public void show
java basics java basics What are the different driver types available in JDBC... Java driver, also called Type 2.
JDBC-Net, pure Java driver, also called Type 3.
Native-protocol, pure Java driver, also called Type 4
java basics java basics What are Encapsulation, Inheritance and Polymorphism? Encapsulation - Hiding the implementation details of a
Class. Once a class is Encapsulated then we Cannot directly
access that class
java-basics java-basics hi anybody tell me, JVM is a compiler or an interpreter? JVM is not a compiler, it is a interpreter
java-basics java-basics hi,tell me what is the JIT and usage of it? The just-in-time compiler compiles byte code into native machine language.Java programs compiled by a JIT generally run much faster than when the bytecode
JAVA Basics JAVA Basics What is byte code? Java programs are compiled and compiler generate a class files which contain byte codes. These byte codes can be run in any platform which makes java platform independent language
JAVA Basics JAVA Basics What is the byte range? We can find the range as 2^8=256,
so The range of the byte is -128 to 127
java-basics java-basics hi, tell me the difference between Procedural and OOPs? The focus of procedural programming is to creates a step by step program that guides the application through a sequence of instructions. whereas