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The Java compiler translates Java source code to Java byte code.
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Greetings Technologist.
The Java compiler compiles Java code, whereas the C compiler compiles C Code
HTH
Richard Wolf
Software Architect
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The Java compiler itself (javac) is a 32-bit application.
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What i know is java we will use compiler when it want to get class file(file with .class extension) from java file(file with .java extension).
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It is simply called the Java compiler. The actual program is usually called Javac.
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Java compiler available on multiple platforms, the class files it generates are platform-independent.
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No. (Of course you should specify what compiler you are talking about.)
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The Javac is the java compiler javac.exe is a process associated with Java(TM) 2 Platform Standard Edition 5.0 Update 5 from Sun Microsystems, Inc.. Java Capusal this is a java compiler
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It is created by the Java compiler, based on the source code (the .java file).
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James Gosling, PhD, is the father of Java programming.
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Java has both a compiled and an interpreted stage.
1) The programmer writes his source codes (.java extension); a compiler will compile this to bytecode (.class extension).
2) When the end-user runs the .class program, the JVM (Java Virtual Machine) will interpret this.
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A computer, keyboard and Java compiler.
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The original Java compiler was probably written in C/C++ because an efficient language like C is ideal for writing compilers in.
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The Java Runtime Environment (JRE) converts the byte code to machine language.
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A compiler converts high-level source code into native machine. In the case of Java, source code is compiled to Java byte code suitable for interpretation by the Java virtual machine which produces the machine code.
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The compiler translates source code into machine code. As opposed to java, this is a machine specific operation.
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Due to platform independence, a Java compiler will interpret Java source code into Java Byte Code and pass to the JVM, which will pass machine understandable code through to cpu. (clarification needed).A conventional compiler converts source code directly to machine code.(clarification needed).
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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.
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Get the JDK & Bluej from net and the rest will be done by them.
Java byte codes are stored as *.class ; where "*" represents the class name, in your hard disk.
You can download BlueJ as well as JDK from the related link.
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I'm not sure if it's "useful" as much as it is the fact of it being how the Java compiler works.
However, there's a GCC frontend for compiling Java to native machine code rather than bytecode.
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That's short for Software Development Kit, and it is basically everything the programmer (developer) needs to program in Java. It includes the Java compiler, the Java Virtual Machine, and the Java base classes.
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Java Classpath is a parameter that tells the Java Virtual Machine or the Java Compiler, where to search for user-defined classes and packages on a computer.
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You must have the Java Run-time Environment installed on your computer.
Steps:
1. Open Command Prompt
2. Enter the command: javac class.java
3. Enter the command: java <classfilename> (without the .java or .class extension)
The javac command will compile your java source file and create a class file. The java command will execute or run your java class file.
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all IOExceptions are removed or informed to the compiler
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Based on the lecture i have , there are three JAVA PHASES
-- editor. First step in creating java program is by writing ur programms in a text editor. Ex, notepad, emacs etc
-- java compiler. compile. The program by. Using the java compiler. The output of this process is a file of java bytecodes wid the file extension.class
-- java interpreter. The .class file is then interpreted by java interpreter that converts the bytecodes into the machine language of the particular computer your using
---abioo4---
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No it will not. Any java source file that has syntax errors will not be translated fully. The compiler will spit out errors based on the syntax problems in your code.
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I'm not sure if it's "useful" as much as it is the fact of it being how the Java compiler works.
However, there's a GCC frontend for compiling Java to native machine code rather than bytecode.
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I am not sure why you label it "hybrid". Java compiles the source code, not for a specific processor, but for what you might consider a fictitious processor. That is, it doesn't compile for the specific machine code understood by a real processor.As for the reason, that's because that's what Java is all about. Java programs are supposed to be compiled only once, and then run on any computer that has an appropriate Java runtime (the "Java Virtual Machine").
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You can import a package as many times as you want in Java. The compiler will just ignore any duplicates.
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One can run and compile a Java applet program by agreeing to the terms and downloading it. It is possible to get a compiler online that will compile and run Java programs.
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A compiler. We can also use an interpreter to translate high-level code as it is executed, however in order to create a stand-alone executable we must use a compiler. A compiler is simply a program that translates high-level code to a lower-level code (but not necessarily machine code). For instance, the Java compiler emits Java byte code which is suitable for interpretation by the Java virtual machine.
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it informs compiler about its possible exceptions.
For example,The purpose of Java exception is to tell the Java runtime system what can go wrong
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James A. Gosling for Sun Microsystems implemented it on a PDA device named Star before it was named Java. As for who implemented it under the Java name first is near impossible to determine.
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Basically they do the same: converting from one level of language into another. A compiler converts high level language (programming language like java) into machine-language. That is language a computer understands.
An interpreter converts high level language into an intermediate level. When a program is exectuted, that intermediate level is reconverted to machine language.
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It means you have not installed jdk and jre in your machine...
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Its not that the compiler can't initialize local variables; its that the compiler does not initialize local variables.
This is by design and language specification. If you want to initialize local variables, you must explicitly do so.
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Generally, they are used to give additional information about the behaviour of a class.It is just used to "mark" Java classes which support a certain capability . Examples: java.util.RandomAccess
java.io.Serializable
java.rmi.Remote
java.util.EventListner
javax.servlet.SingleThreadModel
java.lang.Clonable
javax.ejb.EnterpriseBean
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Instead of compiling to machine language, the Java compiler compiles for a "ficticious processor". A program called the Java Virtual Machine then interprets this on every machine.
Note that Java is NOT an interpreted language. It is solely a compiled language. Java source code is always run through a compiler (typically 'javac') to be turned into bytecode. This is identical behavior as any other compiled language. The confusion is that Java bytecode is usually run on a Java Virtual Machine, which itself may both act as an interpreter and a compiler for the native instruction set the JVM runs on. However, the Java language itself is NOT dependent on how this bytecode is run - in fact, it is possible (and has been done) to build a hardware machine that runs Java bytecode directly.
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Of course. A JavaBean is just a specially formatted class. Any Java compiler (or an IDE like BlueJ) will be able to compile it.
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The import keyword in Java is used to tell the Java compiler where to find different classes and packages.
java.util.Date is the location of the Date class: Date is a member of the util package, which is a member of the java package.
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A java compiler takes Java source code and turns it into Java bytecode, which can then be run by the java virtual machine.
Using JIT means that the java code will be compiled and executed at the time that you run the program, which will slow down the program because it has to compile the code at the same time that it runs.
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First of all the compiler converts our source code into byte code ,this is done by "javac" compiler.then we use interpretor that is the"java interpretor" for making our byte code executed.thats y java is called as an compiled and interpred language.by that way our java program will be interpreted. First of all our source code vl b converted into byte code by da java compiler named "javac" ,then dt byte code vl be executed by da interpretor named "java" interpretor. These are execution steps in java dts y v call java as a compiled and interpreted language.
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