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I have JRE 1.7 installed on my system. Due to some admin issues I don't have JDK on my system. is there any way I can develop Java programs with JRE only?
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It provides a platform to execute java programs. JRE consists of JVM, Java binaries, and other classes to execute any program successfully. JRE doesn't contain any development tools such as Java compiler, debugger, JShell, etc. If you just want to execute a java program, you can install only JRE.
The JDK is required to develop and run Java applets and applications. The JRE is used to run Java programs. It is required to run any Java programs.
Java Runtime Environment (JRE): It is important to know that JRE cannot compile the code. JDK comes with its own JRE and in order to run any java program from any browser you have to install JRE in your machine and should also be able to enable your browser.
Java source code is compiled and converted to Java bytecode. If you want to run this bytecode on any platform, you need JRE.
You will need JDK for compiling your programs.JRE provides only runtime environment,but JDK is something you will need to compile your code to make them executable by your JRE.You will need javac for compiling your code which is present in JDK.
However for resolving the issue of admin rights you are having, you can download and install eclipse which has its own built in compiler.
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You need some program which compiles your sources, but that doesn't neccessarily have to be the JDK.
For example you can download Eclipse which only requires a JRE, it has it's own compiler (built-in) and you can develop with that. Eclipse does not require any admin priviliges, it's a zip file which you can download and extract.
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