But I have a doubt that why does java need to compile and interpret both to run a program, Why cant it run like any other programming language like c, cpp where there is only need of compiling 3. Why java is both compiled and interpreted language. The bytecode is an intermediate code between java and the machine code. Main advantage of compilers is it’s execution time. Published on 07-Feb-2018 12:23:37. The interpreter is known as JVM (Java Virtual Machine). Java is the language itself . you write your code and save it as a .java file. 2. Explain why we use both compiler and interpreter in java. ByteCode is then interpreted by the JVM making it as interpreted language. The JVM (or interpreter) takes your .class file and interprets it. 1. The compiler takes your .java file and compiles it into a .class file (the .class file contains Java byte code). Instead, JIT goes line by line (line by line execution is a feature of Interpreters) and converts bytecode generated by JavaC into … Java is both compiled and interpreted language.First Java source code has to be translated into Byte code, which is done with the help of a compiler.But these byte codes are not machine instructions. So it is Called Both Compiled And Interpreted Language. Jai Janardhan. Java 8 Object Oriented Programming Programming. If you haven't figured out yet, well, here is the answer: Let's assume that Java uses only the Interpreter. JIT is a Java compiler but also acts as an interpreter. All these pieces, the javac compiler, the java interpreter, the Java programming language, and more are collectively referred to as Java. Java is a compiled programming language, but rather than compile straight to executable machine code, it compiles to an intermediate binary form called Java Virtual Machine byte code. More points to understand on compiled and interpreted stages. JVM is where the Java byte code file(.class) can be run . - 18538847 Subsequently, question is, does Java use compiler or interpreter? Considering it scans code one line at a time, errors are shown line by line. Now, I think you are sure of why Java is called both compiled and interpreted language. The interpreter comes in when your program is run. Translates program one statement at a time. Yes, a java program is first compiled into bytecode which JRE can understand. Why does java need both compiler and interpreter I started learning java a few days ago! A typical compiler will convert all the code at once from source code to machine level language. Why java is both compiled and interpreted language. In this case, if a programmer writes code with lots of syntax errors in Java and executes it. Java code is compiled to bytecode. The compiler is the tool that used for create a byte code file (.class), the the Java Virual Machine can understand, according to a text based file(.java) written in Java code. Well, as I mentioned above, an Interpreter in Java is a computer program that helps to convert a high-level program statement into a machine code comprising source code, pre-compiled code, and scripts. Yes, a java program is first compiled into bytecode which JRE can understand. As it scans the code in one go, the errors (if any) are shown at the end together. Compiler Interpreter; 1. Compiler scans the whole program in one go. ByteCode is then interpreted by the JVM making it as interpreted language. Let’s begin! From the above two definitions, you can understand why Java uses both compiler and Interpreter to execute the Java program. Second, JIT is one of the java compilers (Just-In-Time compiler… Interpreter vs Compiler: How is an Interpreter different than a compiler?