Jdk,jre,jvm
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The JDK contains the JRE plus development tools like the javac compiler and java runtime. The JRE contains libraries and files used by the JVM at runtime. The JVM provides the runtime environment to execute bytecode and allows Java to be platform independent, though the JVM itself is operating system dependent.
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Jdk,jre,jvm
- 1. JDK,JRE,JVM Presented By Kritika Goel
- 2. JDK(Java Development Kit) It contains JRE + development tools. BASIC TOOLS Javac - compiler - Bytecode Java - run the .class file File.java File.class Bytecode
- 3. JRE(Java Runtime Environment) It contains set of libraries + other files that JVM uses at runtime.
- 4. JVM(java virtual machine) Provides runtime environment in which bytecode of program can be executed. Java is called platform independent because of Java Virtual Machine. JVM is Operating System dependent.
- 5. JVM(cont.) Hello.java Hello.class Compiler (javac) SYSTEM 1 SYSTEM 3SYSTEM 2 JVM JVMJVM WINDOWS MACLINUX Bytecode CLIENT