Constants
Constant: A constant is a quantity whose value does not change during the program execution there are three types of constant numeric cons...
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Showing posts with label Java. Show all posts
Showing posts with label Java. Show all posts
single line comment
single line comment are comments written in a single line is called single line comment example //program by ectechview.com //java is flexib...
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comments in java
comments are non executable statement.these are included in a program for better understanding.there are three types of comments in java the...
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jvm
java virtual machine JVM java compilers the source code and produces a machine independent intermediate code called bytecode.this code canno...
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separator
1)separators are special symbols which belongs to java language 2)these are used to indicate where the group of java codes are divided and a...
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java literals
1)literals are names that are used to represent constant 2)there are five types of literals. they are 1)integer literals ...
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identifiers
Identifiers are names given to classes,method,variables,object,array,packages and interfaces in a program.these are user defined names
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keywords
keywords: keyword are word which belong to java language they hava standard predefined meaning
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Java character set
Java character set: Character are the smallest unit of java language these are used to write java token java characters are defined by...
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Java tokens
Java tokens: A tokens is an individual element in java A program is written by using the available tokens More than one token can appe...
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Running the program
Running the program: Run the compiled program using java interpreter the general form java classname Java Interpreter produces machi...
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Compiling the program
Compiling the program: compile created program using the java compiler General form: Javac Sourcefilename.java java compiler creates a file...
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Applet Program
Applet Program: applets are program that has ability to run on internet through a web browser
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Application programs
Application programs: Application are program to do jobs on a local computer
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API
Application program interface (API): Language support package-A collection of classes and methods used for implementing basic features of ...
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JDK
JAVA DEVELOPMENT KIT (JDK): This contains tools for developing and runing java programs appletviewer-This is used to run java applets Ja...
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Java Environment
Java Environment: Java environment consits of following Java development kit called jdk application program interface called api JDK( Cl...
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Dynamic and extensible
Dynamic and extensible: java is a dynamic language so it is capable of linking dynamically new classes,method and object java also sup...
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High performance
High performance: since java interpreter uses bytecode,the performance is high the speed is also comparable to other languages like c,c+...
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Compiled and interpreted
Compiled and interpreted: Generally computer languages are either compiled or interpreted but java combines both compiler and interprete...
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