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| - Interview Questions and Answers for 'Interpreter' - 3 question(s) found - Order By Rating | ||||
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| Ans. Java bytecode is the instruction set of the Java virtual machine. Each bytecode is composed by one, or two bytes that represent the instruction, along with zero or more bytes for passing parameters. | ||||
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 Discuss Correct / Improve  java jvm interpreter platform independent  Asked in 1 Companies | ||||
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 Is JVM a overhead ? | ||||
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| Ans. Yes and No. JVM is an extra layer that translates Byte Code into Machine Code. So Comparing to languages like C, Java provides an additional layer of translating the Source Code. C++ Compiler - Source Code --> Machine Code Java Compiler - Source Code --> Byte Code , JVM - Byte Code --> Machine Code Though it looks like an overhead but this additional translation allows Java to run Apps on all platforms as JVM provides the translation to the Machine code as per the underlying Operating System. | ||||
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| Discuss Correct / Improve java jvm interpreter platform independent yes-no advanced architecture | ||||
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| Can I import same package/class twice? Will the JVM load the package twice at runtime? | ||||
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| Ans. Bytecode is a highly optimized set of instructions designed to be executed by the Java run-time system. Its called Byte Code because each instruction is of 1-2 bytes. Sample instructions in Byte Code - 1: istore_1 2: iload_1 3: sipush 1000 6: if_icmpge 44 9: iconst_2 10: istore_2 | ||||
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| Discuss Correct / Improve java jvm interpreter platform independent byte code | ||||
| Related Questions | ||||
| What is Java bytecode ? | ||||
| Is JVM a overhead ? | ||||
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